diff --git a/Corona-Warn-App/src/device/java/de.rki.coronawarnapp/ui/main/MainFragment.kt b/Corona-Warn-App/src/device/java/de.rki.coronawarnapp/ui/main/MainFragment.kt
index 51c9fc97be080d39293ba1e9099df08ef45a59db..ec73b7aa81b7d70e37e0512d2da936a714f5453d 100644
--- a/Corona-Warn-App/src/device/java/de.rki.coronawarnapp/ui/main/MainFragment.kt
+++ b/Corona-Warn-App/src/device/java/de.rki.coronawarnapp/ui/main/MainFragment.kt
@@ -8,15 +8,22 @@ import android.view.accessibility.AccessibilityEvent
 import android.widget.PopupMenu
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentMainBinding
+import de.rki.coronawarnapp.risk.TimeVariables
+import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.timer.TimerHelper
 import de.rki.coronawarnapp.ui.doNavigate
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.SubmissionViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
+import de.rki.coronawarnapp.util.DialogHelper
 import de.rki.coronawarnapp.util.ExternalActionHelper
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 /**
  * After the user has finished the onboarding this fragment will be the heart of the application.
@@ -62,6 +69,8 @@ class MainFragment : Fragment() {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
         setContentDescription()
+
+        showOneTimeTracingExplanationDialog()
     }
 
     override fun onResume() {
@@ -169,4 +178,44 @@ class MainFragment : Fragment() {
         }
         popup.show()
     }
+
+    private fun showOneTimeTracingExplanationDialog() {
+
+        // check if the dialog explaining the tracing time was already shown
+        if (!LocalData.tracingExplanationDialogWasShown()) {
+
+            val activity = this.requireActivity()
+
+            lifecycleScope.launch {
+
+                // get all text strings and the current active tracing time
+                val infoPeriodLogged =
+                    getString(R.string.risk_details_information_body_period_logged)
+                val infoPeriodLoggedAssessment =
+                    getString(
+                        R.string.risk_details_information_body_period_logged_assessment,
+                        (TimeVariables.getActiveTracingDaysInRetentionPeriod()).toString()
+                    )
+                val infoFAQ = getString(R.string.risk_details_explanation_dialog_faq_body)
+
+                withContext(Dispatchers.Main) {
+
+                    // display the dialog
+                    DialogHelper.showDialog(
+                        DialogHelper.DialogInstance(
+                            activity,
+                            getString(R.string.risk_details_explanation_dialog_title),
+                            "$infoPeriodLogged\n\n$infoPeriodLoggedAssessment\n\n$infoFAQ",
+                            getString(R.string.errors_generic_button_positive),
+                            null,
+                            null,
+                            {
+                                LocalData.tracingExplanationDialogWasShown(true)
+                            },
+                            {}
+                        ))
+                }
+            }
+        }
+    }
 }
diff --git a/Corona-Warn-App/src/deviceForTesters/java/de.rki.coronawarnapp/ui/main/MainFragment.kt b/Corona-Warn-App/src/deviceForTesters/java/de.rki.coronawarnapp/ui/main/MainFragment.kt
index 4c4dfe9d46a2baae1b17f866be80b15b6233dc8c..8da604ae85e0f6f7e5235eb8553ce753c9187612 100644
--- a/Corona-Warn-App/src/deviceForTesters/java/de.rki.coronawarnapp/ui/main/MainFragment.kt
+++ b/Corona-Warn-App/src/deviceForTesters/java/de.rki.coronawarnapp/ui/main/MainFragment.kt
@@ -8,15 +8,22 @@ import android.view.accessibility.AccessibilityEvent
 import android.widget.PopupMenu
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.databinding.FragmentMainBinding
+import de.rki.coronawarnapp.risk.TimeVariables
+import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.timer.TimerHelper
 import de.rki.coronawarnapp.ui.doNavigate
 import de.rki.coronawarnapp.ui.viewmodel.SettingsViewModel
 import de.rki.coronawarnapp.ui.viewmodel.SubmissionViewModel
 import de.rki.coronawarnapp.ui.viewmodel.TracingViewModel
+import de.rki.coronawarnapp.util.DialogHelper
 import de.rki.coronawarnapp.util.ExternalActionHelper
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 /**
  * After the user has finished the onboarding this fragment will be the heart of the application.
@@ -61,6 +68,8 @@ class MainFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setButtonOnClickListener()
+
+        showOneTimeTracingExplanationDialog()
     }
 
     override fun onResume() {
@@ -174,4 +183,45 @@ class MainFragment : Fragment() {
         }
         popup.show()
     }
+
+    private fun showOneTimeTracingExplanationDialog() {
+
+        // check if the dialog explaining the tracing time was already shown
+        if (!LocalData.tracingExplanationDialogWasShown()) {
+
+
+            val activity = this.requireActivity()
+
+            lifecycleScope.launch {
+
+                // get all text strings and the current active tracing time
+                val infoPeriodLogged =
+                    getString(R.string.risk_details_information_body_period_logged)
+                val infoPeriodLoggedAssessment =
+                    getString(
+                        R.string.risk_details_information_body_period_logged_assessment,
+                        (TimeVariables.getActiveTracingDaysInRetentionPeriod()).toString()
+                    )
+                val infoFAQ = getString(R.string.risk_details_explanation_dialog_faq_body)
+
+                withContext(Dispatchers.Main) {
+
+                    // display the dialog
+                    DialogHelper.showDialog(
+                        DialogHelper.DialogInstance(
+                            activity,
+                            getString(R.string.risk_details_explanation_dialog_title),
+                            "$infoPeriodLogged\n\n$infoPeriodLoggedAssessment\n\n$infoFAQ",
+                            getString(R.string.errors_generic_button_positive),
+                            null,
+                            null,
+                            {
+                                LocalData.tracingExplanationDialogWasShown(true)
+                            },
+                            {}
+                        ))
+                }
+            }
+        }
+    }
 }
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/storage/LocalData.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/storage/LocalData.kt
index 3cbaed4af3455d70d20127fd23f56956c8939692..68de331ba5e84c2c4ae0b29d3999bc98f137718a 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/storage/LocalData.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/storage/LocalData.kt
@@ -300,6 +300,34 @@ object LocalData {
             )
         }
 
+    /**
+     * Gets the boolean if the user has seen the explanation dialog for the
+     * risk level tracing days
+     * from the EncryptedSharedPrefs
+     *
+     * @return boolean if user is onboarded
+     */
+    fun tracingExplanationDialogWasShown(): Boolean = getSharedPreferenceInstance().getBoolean(
+        CoronaWarnApplication.getAppContext()
+            .getString(R.string.preference_risk_days_explanation_shown),
+        false
+    )
+
+    /**
+     * Sets the boolean if the user has seen the explanation dialog for the
+     * risk level tracing days
+     * from the EncryptedSharedPrefs
+     *
+     * @param value boolean if onboarding was completed
+     */
+    fun tracingExplanationDialogWasShown(value: Boolean) =
+        getSharedPreferenceInstance().edit(true) {
+            putBoolean(
+                CoronaWarnApplication.getAppContext()
+                    .getString(R.string.preference_risk_days_explanation_shown), value
+            )
+        }
+
     /****************************************************
      * SERVER FETCH DATA
      ****************************************************/
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/util/formatter/FormatterRiskHelper.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/util/formatter/FormatterRiskHelper.kt
index c152e9cea88e1db14230436bfb549331cddbf3d8..7672309236548ea35a4f606bc6b31dc401394883 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/util/formatter/FormatterRiskHelper.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/util/formatter/FormatterRiskHelper.kt
@@ -10,6 +10,7 @@ import android.view.View
 import de.rki.coronawarnapp.CoronaWarnApplication
 import de.rki.coronawarnapp.R
 import de.rki.coronawarnapp.risk.RiskLevelConstants
+import de.rki.coronawarnapp.risk.TimeVariables
 import de.rki.coronawarnapp.util.TimeAndDateExtensions.millisecondsToHMS
 import java.util.Date
 
@@ -186,22 +187,52 @@ fun formatRiskActiveTracingDaysInRetentionPeriod(
     return when (riskLevelScore) {
         RiskLevelConstants.INCREASED_RISK -> {
             if (showDetails) {
+                if (activeTracingDaysInRetentionPeriod < TimeVariables.getDefaultRetentionPeriodInDays()) {
+                    appContext.getString(
+                        R.string.risk_card_body_saved_days
+                    )
+                        .format(activeTracingDaysInRetentionPeriod)
+                } else {
+                    appContext.getString(
+                        R.string.risk_card_body_saved_days_full
+                    )
+                }
+            } else {
+                ""
+            }
+        }
+        RiskLevelConstants.LOW_LEVEL_RISK ->
+            if (activeTracingDaysInRetentionPeriod < TimeVariables.getDefaultRetentionPeriodInDays()) {
                 appContext.getString(
                     R.string.risk_card_body_saved_days
                 )
                     .format(activeTracingDaysInRetentionPeriod)
             } else {
-                ""
+                appContext.getString(
+                    R.string.risk_card_body_saved_days_full
+                )
             }
-        }
-        RiskLevelConstants.LOW_LEVEL_RISK -> appContext.getString(
-            R.string.risk_card_body_saved_days
-        )
-            .format(activeTracingDaysInRetentionPeriod)
+
         else -> ""
     }
 }
 
+/**
+ * Formats the risk logged period card text display of tracing active duration in days depending on risk level
+ * Displayed in case riskLevel is High and Low level
+ *
+ * @param activeTracingDaysInRetentionPeriod
+ * @return
+ */
+fun formatRiskActiveTracingDaysInRetentionPeriodLogged(
+    activeTracingDaysInRetentionPeriod: Long
+): String {
+    val appContext = CoronaWarnApplication.getAppContext()
+        return appContext.getString(
+                R.string.risk_details_information_body_period_logged_assessment)
+            .format(activeTracingDaysInRetentionPeriod)
+}
+
 fun formatRelativeDateTimeString(appContext: Context, date: Date): CharSequence? =
     DateUtils.getRelativeDateTimeString(
         appContext,
@@ -547,6 +578,18 @@ fun formatVisibilityBehavior(riskLevelScore: Int?): Int =
 fun formatVisibilityBehaviorIncreasedRisk(riskLevelScore: Int?): Int =
     formatVisibility(riskLevelScore == RiskLevelConstants.INCREASED_RISK)
 
+/**
+ * Format the risk details period logged card display  depending on risk level
+ * applied in case of low and high risk levels
+ *
+ * @param riskLevelScore
+ * @return
+ */
+fun formatVisibilityBehaviorPeriodLogged(riskLevelScore: Int?): Int =
+    formatVisibility(
+        riskLevelScore == RiskLevelConstants.INCREASED_RISK ||
+                riskLevelScore == RiskLevelConstants.LOW_LEVEL_RISK)
+
 /**
  * Formats the risk details suggested behavior icon color depending on risk level
  * This special handling is required due to light / dark mode differences and switches
diff --git a/Corona-Warn-App/src/main/res/layout/fragment_risk_details.xml b/Corona-Warn-App/src/main/res/layout/fragment_risk_details.xml
index 0cfb4d8f442bf43a51251bdda27219865c71ec95..c7704aa987ce2de32f7c4985deb764c0c909a9f5 100644
--- a/Corona-Warn-App/src/main/res/layout/fragment_risk_details.xml
+++ b/Corona-Warn-App/src/main/res/layout/fragment_risk_details.xml
@@ -120,13 +120,14 @@
                 <TextView
                     android:id="@+id/risk_details_behavior_headline"
                     style="@style/headline5"
-                    android:accessibilityHeading="true"
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
-                    android:layout_marginTop="@dimen/spacing_medium"
-                    android:text="@string/risk_details_headline_behavior"
+                    android:layout_marginTop="28dp"
+                    android:accessibilityHeading="true"
                     android:focusable="true"
+                    android:text="@string/risk_details_headline_behavior"
                     app:layout_constraintEnd_toStartOf="@+id/guideline_end"
+                    app:layout_constraintHorizontal_bias="0.0"
                     app:layout_constraintStart_toStartOf="@+id/guideline_start"
                     app:layout_constraintTop_toBottomOf="@+id/risk_details_risk_card" />
 
@@ -179,6 +180,19 @@
 
                 </androidx.constraintlayout.widget.ConstraintLayout>
 
+                <include
+                    android:id="@+id/risk_details_period_logged_card"
+                    layout="@layout/include_risk_details_period_logged_card"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="@dimen/spacing_normal"
+                    android:focusable="true"
+                    android:visibility="@{FormatterRiskHelper.formatVisibilityBehaviorPeriodLogged(tracingViewModel.riskLevel)}"
+                    app:layout_constraintEnd_toStartOf="@+id/guideline_end"
+                    app:layout_constraintStart_toStartOf="@+id/guideline_start"
+                    app:layout_constraintTop_toBottomOf="@id/risk_details_behavior_wrapper"
+                    app:tracingViewModel="@{tracingViewModel}" />
+
                 <androidx.constraintlayout.widget.ConstraintLayout
                     android:id="@+id/risk_details_body"
                     style="@style/greyBodyBackground"
@@ -186,7 +200,7 @@
                     android:layout_height="wrap_content"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/risk_details_behavior_wrapper">
+                    app:layout_constraintTop_toBottomOf="@id/risk_details_period_logged_card">
 
                     <TextView
                         android:id="@+id/risk_details_information_headline"
diff --git a/Corona-Warn-App/src/main/res/layout/fragment_settings_tracing.xml b/Corona-Warn-App/src/main/res/layout/fragment_settings_tracing.xml
index 151d9c42be85f8a0be11157d0222a65a7dace6f7..80e975524092a9ed1ee1aba5750c2b9d6bbc872b 100644
--- a/Corona-Warn-App/src/main/res/layout/fragment_settings_tracing.xml
+++ b/Corona-Warn-App/src/main/res/layout/fragment_settings_tracing.xml
@@ -113,40 +113,18 @@
                         app:layout_constraintStart_toStartOf="@+id/guideline_card_start"
                         app:layout_constraintTop_toTopOf="parent" />
 
-                    <androidx.constraintlayout.widget.ConstraintLayout
+                    <include
                         android:id="@+id/settings_tracing_status_tracing"
-                        android:layout_width="@dimen/match_constraint"
+                        layout="@layout/include_setting_tracing_period_logged"
+                        android:layout_width="0dp"
                         android:layout_height="wrap_content"
-                        android:layout_marginTop="@dimen/spacing_tiny"
-                        android:visibility="@{FormatterSettingsHelper.formatTracingStatusVisibilityTracing(tracingViewModel.isTracingEnabled(), settingsViewModel.isBluetoothEnabled(), settingsViewModel.isConnectionEnabled(), settingsViewModel.isLocationEnabled())}"
                         android:focusable="true"
+                        android:visibility="@{FormatterSettingsHelper.formatTracingStatusVisibilityTracing(tracingViewModel.isTracingEnabled(), settingsViewModel.isBluetoothEnabled(), settingsViewModel.isConnectionEnabled(), settingsViewModel.isLocationEnabled())}"
                         app:layout_constraintEnd_toStartOf="@+id/guideline_end"
                         app:layout_constraintStart_toEndOf="@+id/guideline_start"
-                        app:layout_constraintTop_toTopOf="parent">
-
-                        <TextView
-                            android:id="@+id/settings_tracing_status_tracing_body"
-                            style="@style/body2Medium"
-                            android:layout_width="@dimen/match_constraint"
-                            android:layout_height="wrap_content"
-                            android:layout_marginEnd="@dimen/spacing_small"
-                            android:text="@{FormatterSettingsHelper.formatTracingStatusBody(tracingViewModel.activeTracingDaysInRetentionPeriod)}"
-                            app:layout_constraintBottom_toBottomOf="parent"
-                            app:layout_constraintEnd_toStartOf="@+id/settings_tracing_status_tracing_circle_progress"
-                            app:layout_constraintStart_toStartOf="parent"
-                            app:layout_constraintTop_toTopOf="parent" />
-
-                        <de.rki.coronawarnapp.ui.view.CircleProgress
-                            android:id="@+id/settings_tracing_status_tracing_circle_progress"
-                            android:layout_width="@dimen/spacing_huge"
-                            android:layout_height="@dimen/spacing_huge"
-                            android:importantForAccessibility="no"
-                            app:circleWidth="@dimen/circle_large_width"
-                            app:layout_constraintEnd_toEndOf="parent"
-                            app:layout_constraintTop_toTopOf="parent"
-                            app:progress="@{tracingViewModel.activeTracingDaysInRetentionPeriod}" />
-
-                    </androidx.constraintlayout.widget.ConstraintLayout>
+                        app:layout_constraintTop_toTopOf="parent"
+                        app:tracingViewModel="@{tracingViewModel}"
+                        app:riskLevel="@{tracingViewModel.riskLevel}" />
 
                     <include layout="@layout/merge_guidelines_card" />
 
diff --git a/Corona-Warn-App/src/main/res/layout/include_risk_details_period_logged_card.xml b/Corona-Warn-App/src/main/res/layout/include_risk_details_period_logged_card.xml
new file mode 100644
index 0000000000000000000000000000000000000000..06b18535de76944ebe0e9f54f6b85d114f13671f
--- /dev/null
+++ b/Corona-Warn-App/src/main/res/layout/include_risk_details_period_logged_card.xml
@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterHelper" />
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterRiskHelper" />
+
+        <variable
+            name="tracingViewModel"
+            type="de.rki.coronawarnapp.ui.viewmodel.TracingViewModel" />
+
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:focusable="true">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/risk_details_period_logged_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/spacing_tiny"
+            android:focusable="true"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <TextView
+                android:id="@+id/risk_details_period_logged_headline"
+                style="@style/headline5"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_normal"
+                android:focusable="false"
+                android:text="@string/risk_details_headline_period_logged"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/risk_details_period_logged_subtitle"
+                style="@style/subtitle"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_tiny"
+                android:focusable="false"
+                android:text="@string/risk_details_subtitle_period_logged"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/risk_details_period_logged_headline" />
+
+            <TextView
+                android:id="@+id/risk_details_period_logged_body_notice"
+                style="@style/body1"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_normal"
+                android:focusable="true"
+                android:text="@string/risk_details_information_body_period_logged"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/risk_details_period_logged_subtitle" />
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+        <include
+            android:id="@+id/risk_details_period_logged_progress"
+            layout="@layout/include_risk_details_period_logged_progress"
+            android:layout_width="0dp"
+            android:layout_marginTop="@dimen/spacing_normal"
+            android:layout_height="wrap_content"
+            android:focusable="true"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/risk_details_period_logged_layout"
+            app:riskLevel="@{tracingViewModel.riskLevel}"
+            app:tracingViewModel="@{tracingViewModel}" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
\ No newline at end of file
diff --git a/Corona-Warn-App/src/main/res/layout/include_risk_details_period_logged_progress.xml b/Corona-Warn-App/src/main/res/layout/include_risk_details_period_logged_progress.xml
new file mode 100644
index 0000000000000000000000000000000000000000..23ad95cdd56678d6d50ed8a243f3ba1bfe9567ca
--- /dev/null
+++ b/Corona-Warn-App/src/main/res/layout/include_risk_details_period_logged_progress.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterRiskHelper" />
+
+        <variable
+            name="riskLevel"
+            type="Integer" />
+
+        <variable
+            name="tracingViewModel"
+            type="de.rki.coronawarnapp.ui.viewmodel.TracingViewModel" />
+
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/spacing_normal"
+        android:focusable="true"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/risk_details_behavior_icon"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <de.rki.coronawarnapp.ui.view.CircleProgress
+                android:id="@+id/risk_details_investigation_period_circle_progress"
+                android:layout_width="@dimen/spacing_huge"
+                android:layout_height="@dimen/spacing_huge"
+                android:importantForAccessibility="no"
+                app:circleWidth="@dimen/circle_large_width"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:progress="@{tracingViewModel.activeTracingDaysInRetentionPeriod}" />
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+        <TextView
+            style="@style/subtitle"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="@dimen/spacing_small"
+            android:text="@{FormatterRiskHelper.formatRiskActiveTracingDaysInRetentionPeriodLogged(tracingViewModel.activeTracingDaysInRetentionPeriod)}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/risk_details_behavior_icon"
+            app:layout_constraintTop_toTopOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
\ No newline at end of file
diff --git a/Corona-Warn-App/src/main/res/layout/include_setting_tracing_period_logged.xml b/Corona-Warn-App/src/main/res/layout/include_setting_tracing_period_logged.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0d07d89b40534f306ed1c8e6d99d386f1c0fc130
--- /dev/null
+++ b/Corona-Warn-App/src/main/res/layout/include_setting_tracing_period_logged.xml
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterHelper" />
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterRiskHelper" />
+
+        <variable
+            name="riskLevel"
+            type="Integer" />
+
+        <variable
+            name="tracingViewModel"
+            type="de.rki.coronawarnapp.ui.viewmodel.TracingViewModel" />
+
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:focusable="true">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/risk_details_period_logged_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/spacing_tiny"
+            android:focusable="true"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <TextView
+                android:id="@+id/risk_details_period_logged_body_notice"
+                style="@style/subtitleMedium"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:focusable="true"
+                android:text="@string/risk_details_information_body_period_logged"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+        <include
+            layout="@layout/include_risk_details_period_logged_progress"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/spacing_normal"
+            android:focusable="false"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/risk_details_period_logged_layout"
+            app:riskLevel="@{tracingViewModel.riskLevel}"
+            app:tracingViewModel="@{tracingViewModel}" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
\ No newline at end of file
diff --git a/Corona-Warn-App/src/main/res/values-de/strings.xml b/Corona-Warn-App/src/main/res/values-de/strings.xml
index f66dd130a451889f72eca033fa0cf9c31fe71f55..e3c1c90971371799107a6d796646fe59f4d93eea 100644
--- a/Corona-Warn-App/src/main/res/values-de/strings.xml
+++ b/Corona-Warn-App/src/main/res/values-de/strings.xml
@@ -69,6 +69,8 @@
     <string name="preference_polling_test_result_started"><xliff:g id="preference">"preference_polling_test_result_started"</xliff:g></string>
     <!-- NOTR -->
     <string name="preference_test_result_notification"><xliff:g id="preference">"preference_test_result_notification"</xliff:g></string>
+    <!-- NOTR -->
+    <string name="preference_risk_days_explanation_shown"><xliff:g id="preference">"preference_risk_days_explanation_shown"</xliff:g></string>
 
     <!-- ####################################
                      Generics
@@ -141,7 +143,9 @@
         <item quantity="many">"%1$s Risiko-Begegnungen"</item>
     </plurals>
     <!-- XTXT: risk card - tracing active for x out of 14 days -->
-    <string name="risk_card_body_saved_days">"%1$s von 14 Tagen aktiv"</string>
+    <string name="risk_card_body_saved_days">"Risiko-Ermittlung war für %1$s der letzten 14 Tage aktiv"</string>
+    <!-- XTXT: risk card- tracing active for 14 out of 14 days -->
+    <string name="risk_card_body_saved_days_full">"Risiko-Ermittlung dauerhaft aktiv"</string>
     <!-- XTXT; risk card - no update done yet -->
     <string name="risk_card_body_not_yet_fetched">"Begegnungen wurden noch nicht überprüft."</string>
     <!-- XTXT: risk card - last successful update -->
@@ -303,6 +307,14 @@
     <string name="risk_details_behavior_increased_body_3">"Ihr Gesundheitsamt"</string>
     <!-- XHED: risk details - infection risk headline, below behaviors -->
     <string name="risk_details_headline_infection_risk">"Infektionsrisiko"</string>
+    <!-- XHED: risk details - infection period logged headling, below behaviors -->
+    <string name="risk_details_headline_period_logged">"Ermittlungszeitraum"</string>
+    <!-- XHED: risk details - infection period logged headling, below behaviors -->
+    <string name="risk_details_subtitle_period_logged">"Dieser Zeitraum wird berücksichtigt"</string>
+    <!-- XHED: risk details - infection period logged information body, below behaviors -->
+    <string name="risk_details_information_body_period_logged">"Die Berechnung des Infektionsrisikos kann nur für die Zeiträume erfolgen, an denen die Risiko-Ermittlung aktiv war. Die Risiko-Ermittlung sollte daher dauerhaft aktiv sein"</string>
+    <!-- XHED: risk details - infection period logged information body, below behaviors -->
+    <string name="risk_details_information_body_period_logged_assessment">"Für Ihre Risiko-Ermittlung wird nur der Zeitraum der letzten 14 Tage betrachtet. In diesem Zeitraum war Ihre Risiko-Ermittlung für eine Gesamtdauer von %1$s Tagen aktiv. Ältere Tage werden automatisch gelöscht, da sie aus Sicht des Infektionsschutzes nicht mehr relevant sind."</string>
     <!-- XHED: risk details - how your risk level was calculated, below behaviors -->
     <string name="risk_details_subtitle_infection_risk_past">"So wurde Ihr Risiko ermittelt"</string>
     <!-- XHED: risk details - how your risk level will be calculated, below behaviors -->
@@ -331,6 +343,11 @@
     <!-- XACT: risk details page title -->
     <string name="risk_details_accessibility_title">"Ihr Risikostatus"</string>
 
+    <!-- XHED: one time risk explanation dialog title  -->
+    <string name="risk_details_explanation_dialog_title">Information zur Funktionsweise der Risiko-Ermittlung</string>
+    <!-- YTXT: one time risk explanation dialog - pointing to the faq page for more information-->
+    <string name="risk_details_explanation_dialog_faq_body">Weitere Informationen finden Sie in den FAQ.</string>
+
     <!-- ####################################
               Onboarding
     ###################################### -->
diff --git a/Corona-Warn-App/src/main/res/values-en/strings.xml b/Corona-Warn-App/src/main/res/values-en/strings.xml
index 6ac5e473c020eb05bc964fa0fa1c1b5889e3d2b6..191f504a11e0df14d69cdc7f7ba6fa6db54c04e8 100644
--- a/Corona-Warn-App/src/main/res/values-en/strings.xml
+++ b/Corona-Warn-App/src/main/res/values-en/strings.xml
@@ -69,6 +69,8 @@
     <string name="preference_polling_test_result_started"><xliff:g id="preference">"preference_polling_test_result_started"</xliff:g></string>
     <!-- NOTR -->
     <string name="preference_test_result_notification"><xliff:g id="preference">"preference_test_result_notification"</xliff:g></string>
+    <!-- NOTR -->
+    <string name="preference_risk_days_explanation_shown"><xliff:g id="preference">"preference_risk_days_explanation_shown"</xliff:g></string>
 
     <!-- ####################################
                      Generics
@@ -141,7 +143,9 @@
         <item quantity="many">"%1$s exposures"</item>
     </plurals>
     <!-- XTXT: risk card - tracing active for x out of 14 days -->
-    <string name="risk_card_body_saved_days">"%1$s of 14 days active"</string>
+    <string name="risk_card_body_saved_days">"Exposure logging was active for %1$s of the last 14 days"</string>
+    <!-- XTXT: risk card- tracing active for 14 out of 14 days -->
+    <string name="risk_card_body_saved_days_full">Exposure logging permanently active</string>
     <!-- XTXT; risk card - no update done yet -->
     <string name="risk_card_body_not_yet_fetched">"Encounters have not yet been checked."</string>
     <!-- XTXT: risk card - last successful update -->
@@ -301,6 +305,14 @@
     <string name="risk_details_behavior_increased_body_3">"Your public health authority"</string>
     <!-- XHED: risk details - infection risk headline, below behaviors -->
     <string name="risk_details_headline_infection_risk">"Risk of Infection"</string>
+    <!-- XHED: risk details - infection period logged heading, below behaviors -->
+    <string name="risk_details_headline_period_logged">"Period logged"</string>
+    <!-- XHED: risk details - infection period logged subtitle, below behaviors -->
+    <string name="risk_details_subtitle_period_logged">"This period is included in the calculation."</string>
+    <!-- XHED: risk details - infection period logged information body, below behaviors -->
+    <string name="risk_details_information_body_period_logged">"Your risk of infection can be calculated only for periods during which exposure logging was active. The logging feature should therefore remain active permanently."</string>
+    <!-- XHED: risk details - infection period logged information body, below behaviors -->
+    <string name="risk_details_information_body_period_logged_assessment">"Exposure logging covers the last 14 days. During this time, the logging feature on your device was active for %1$s days. The app automatically deletes older logs, as these are no longer relevant for infection prevention."</string>
     <!-- XHED: risk details - how your risk level was calculated, below behaviors -->
     <string name="risk_details_subtitle_infection_risk_past">"This is how your risk was calculated"</string>
     <!-- XHED: risk details - how your risk level will be calculated, below behaviors -->
@@ -329,6 +341,10 @@
     <!-- XACT: risk details page title -->
     <string name="risk_details_accessibility_title">"Your Risk Status"</string>
 
+    <!-- XHED: one time risk explanation dialog title  -->
+    <string name="risk_details_explanation_dialog_title">Information about exposure logging functionality</string>
+    <!-- YTXT: one time risk explanation dialog - pointing to the faq page for more information-->
+    <string name="risk_details_explanation_dialog_faq_body">For further information, please see our FAQ page.</string>
     <!-- ####################################
               Onboarding
     ###################################### -->
diff --git a/Corona-Warn-App/src/main/res/values-tr/strings.xml b/Corona-Warn-App/src/main/res/values-tr/strings.xml
index e206399a85f60153c11ee22f7bf493af39941959..3f9f3d558e9272b56f0595884817b8e05bcbbc79 100644
--- a/Corona-Warn-App/src/main/res/values-tr/strings.xml
+++ b/Corona-Warn-App/src/main/res/values-tr/strings.xml
@@ -69,6 +69,8 @@
     <string name="preference_polling_test_result_started"><xliff:g id="preference">"preference_polling_test_result_started"</xliff:g></string>
     <!-- NOTR -->
     <string name="preference_test_result_notification"><xliff:g id="preference">"preference_test_result_notification"</xliff:g></string>
+    <!-- NOTR -->
+    <string name="preference_risk_days_explanation_shown"><xliff:g id="preference">"preference_risk_days_explanation_shown"</xliff:g></string>
 
     <!-- ####################################
                      Generics
@@ -135,7 +137,9 @@
         <item quantity="other">"%1$s maruz kalma"</item>
     </plurals>
     <!-- XTXT: risk card - tracing active for x out of 14 days -->
-    <string name="risk_card_body_saved_days">"%1$s/14 gündür etkin"</string>
+    <string name="risk_card_body_saved_days">"Maruz kalma günlüğü son 14 günde %1$s etkindi."</string>
+    <!-- XTXT: risk card- tracing active for 14 out of 14 days -->
+    <string name="risk_card_body_saved_days_full">Maruz kalma günlüğü sürekli etkin</string>
     <!-- XTXT; risk card - no update done yet -->
     <string name="risk_card_body_not_yet_fetched">"Karşılaşmalar henüz kontrol edilmedi."</string>
     <!-- XTXT: risk card - last successful update -->
@@ -291,6 +295,14 @@
     <string name="risk_details_behavior_increased_body_3">"Kamu sağlığı yetkiliniz"</string>
     <!-- XHED: risk details - infection risk headline, below behaviors -->
     <string name="risk_details_headline_infection_risk">"Enfeksiyon Riski"</string>
+    <!-- XHED: risk details - infection period logged heading, below behaviors -->
+    <string name="risk_details_headline_period_logged">"Dönem günlüğe kaydedildi"</string>
+    <!-- XHED: risk details - infection period logged subtitle, below behaviors -->
+    <string name="risk_details_subtitle_period_logged">"Bu dönem hesaplamaya dahil edildi."</string>
+    <!-- XHED: risk details - infection period logged information body, below behaviors -->
+    <string name="risk_details_information_body_period_logged">"Enfeksiyon riskiniz yalnızca maruz kalma günlüğünün etkin olduğu dönemler için hesaplanabilir. Bu nedenle günlüğe kaydetme özelliğinin sürekli etkin kalması gerekir."</string>
+    <!-- XHED: risk details - infection period logged information body, below behaviors -->
+    <string name="risk_details_information_body_period_logged_assessment">"Maruz kalma günlüğü son 14 günü kapsar. Bu süre boyunca cihazınızdaki günlüğe kaydetme özelliği %1$s gün etkindi. Uygulama, enfeksiyondan korunma için artık ilgili olmadığından daha eski kayıtları otomatik olarak siler."</string>
     <!-- XHED: risk details - how your risk level was calculated, below behaviors -->
     <string name="risk_details_subtitle_infection_risk_past">"Riskiniz bu şekilde hesaplandı"</string>
     <!-- XHED: risk details - how your risk level will be calculated, below behaviors -->
@@ -315,6 +327,10 @@
     <!-- XACT: risk details page title -->
     <string name="risk_details_accessibility_title">"Risk Durumunuz"</string>
 
+    <!-- XHED: one time risk explanation dialog title  -->
+    <string name="risk_details_explanation_dialog_title">Daha fazla bilgi için lütfen SSS sayfamıza bakın.</string>
+    <!-- YTXT: one time risk explanation dialog - pointing to the faq page for more information-->
+    <string name="risk_details_explanation_dialog_faq_body">Maruz kalma işlevi hakkında bilgi.</string>
     <!-- ####################################
               Onboarding
     ###################################### -->
diff --git a/Corona-Warn-App/src/main/res/values/strings.xml b/Corona-Warn-App/src/main/res/values/strings.xml
index 243a484df3f48837237b879d78bf3edf68f7015e..46ee2e7c3b4ef0d67145971db0ee58b100a0e35b 100644
--- a/Corona-Warn-App/src/main/res/values/strings.xml
+++ b/Corona-Warn-App/src/main/res/values/strings.xml
@@ -69,6 +69,8 @@
     <string name="preference_polling_test_result_started"><xliff:g id="preference">"preference_polling_test_result_started"</xliff:g></string>
     <!-- NOTR -->
     <string name="preference_test_result_notification"><xliff:g id="preference">"preference_test_result_notification"</xliff:g></string>
+    <!-- NOTR -->
+    <string name="preference_risk_days_explanation_shown"><xliff:g id="preference">"preference_risk_days_explanation_shown"</xliff:g></string>
 
     <!-- ####################################
                      Generics
@@ -137,7 +139,9 @@
         <item quantity="other">"%1$s exposures"</item>
     </plurals>
     <!-- XTXT: risk card - tracing active for x out of 14 days -->
-    <string name="risk_card_body_saved_days">"%1$s of 14 days active"</string>
+    <string name="risk_card_body_saved_days">"Exposure logging was active for %1$s of the last 14 days"</string>
+    <!-- XTXT: risk card- tracing active for 14 out of 14 days -->
+    <string name="risk_card_body_saved_days_full">Exposure logging permanently active</string>
     <!-- XTXT; risk card - no update done yet -->
     <string name="risk_card_body_not_yet_fetched">"Encounters have not yet been checked."</string>
     <!-- XTXT: risk card - last successful update -->
@@ -295,6 +299,14 @@
     <string name="risk_details_behavior_increased_body_3">"Your public health authority"</string>
     <!-- XHED: risk details - infection risk headline, below behaviors -->
     <string name="risk_details_headline_infection_risk">"Risk of Infection"</string>
+    <!-- XHED: risk details - infection period logged heading, below behaviors -->
+    <string name="risk_details_headline_period_logged">"Period logged"</string>
+    <!-- XHED: risk details - infection period logged subtitle, below behaviors -->
+    <string name="risk_details_subtitle_period_logged">"This period is included in the calculation."</string>
+    <!-- XHED: risk details - infection period logged information body, below behaviors -->
+    <string name="risk_details_information_body_period_logged">"Your risk of infection can be calculated only for periods during which exposure logging was active. The logging feature should therefore remain active permanently."</string>
+    <!-- XHED: risk details - infection period logged information body, below behaviors -->
+    <string name="risk_details_information_body_period_logged_assessment">"Exposure logging covers the last 14 days. During this time, the logging feature on your device was active for %1$s days. The app automatically deletes older logs, as these are no longer relevant for infection prevention."</string>
     <!-- XHED: risk details - how your risk level was calculated, below behaviors -->
     <string name="risk_details_subtitle_infection_risk_past">"This is how your risk was calculated"</string>
     <!-- XHED: risk details - how your risk level will be calculated, below behaviors -->
@@ -319,6 +331,11 @@
     <!-- XACT: risk details page title -->
     <string name="risk_details_accessibility_title">"Your Risk Status"</string>
 
+    <!-- XHED: one time risk explanation dialog title  -->
+    <string name="risk_details_explanation_dialog_title">Information about exposure logging functionality</string>
+    <!-- YTXT: one time risk explanation dialog - pointing to the faq page for more information-->
+    <string name="risk_details_explanation_dialog_faq_body">For further information, please see our FAQ page.</string>
+
     <!-- ####################################
               Onboarding
     ###################################### -->