diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/notification/TestResultAvailableNotificationService.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/notification/TestResultAvailableNotificationService.kt
index bc97a7ba3bfc35b29e4f2e814053c795ca7f81eb..9a9c3412fce65d9c1f45ae41135afd5335e5a436 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/notification/TestResultAvailableNotificationService.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/notification/TestResultAvailableNotificationService.kt
@@ -3,11 +3,13 @@ package de.rki.coronawarnapp.notification
 import android.content.Context
 import androidx.navigation.NavDeepLinkBuilder
 import de.rki.coronawarnapp.R
+import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.ui.main.MainActivity
 import de.rki.coronawarnapp.util.device.ForegroundState
 import de.rki.coronawarnapp.util.di.AppContext
 import de.rki.coronawarnapp.util.formatter.TestResult
 import kotlinx.coroutines.flow.first
+import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Provider
 
@@ -21,6 +23,11 @@ class TestResultAvailableNotificationService @Inject constructor(
     suspend fun showTestResultAvailableNotification(testResult: TestResult) {
         if (foregroundState.isInForeground.first()) return
 
+        if (!LocalData.isNotificationsTestEnabled) {
+            Timber.i("Don't show test result available notification because user doesn't want to be informed")
+            return
+        }
+
         val pendingIntent = navDeepLinkBuilderProvider.get().apply {
             setGraph(R.navigation.nav_graph)
             setComponentName(MainActivity::class.java)
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/statistics/util/StatisticsNumberValueFormatter.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/statistics/util/StatisticsNumberValueFormatter.kt
index de0b9c04d9e580c5909ce3b5f8932d592ccbede5..927f51ddaff3ebc3fc253d58d4dfab6ae8b19a9f 100644
--- a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/statistics/util/StatisticsNumberValueFormatter.kt
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/statistics/util/StatisticsNumberValueFormatter.kt
@@ -22,7 +22,7 @@ fun formatStatisticalValue(
 
     return when (decimals) {
         in Int.MIN_VALUE..0 -> DecimalFormat("#,###", DecimalFormatSymbols(locale))
-        1 -> DecimalFormat("#,###.#", DecimalFormatSymbols(locale))
+        1 -> DecimalFormat("#,###.0", DecimalFormatSymbols(locale))
         else -> DecimalFormat("#,###.##", DecimalFormatSymbols(locale))
     }.format(value)
 }
diff --git a/Corona-Warn-App/src/test/java/de/rki/coronawarnapp/notification/TestResultAvailableNotificationServiceTest.kt b/Corona-Warn-App/src/test/java/de/rki/coronawarnapp/notification/TestResultAvailableNotificationServiceTest.kt
index a114b12d3e1c6440d3b0d8dc90c08d1dceb4cc67..91747a3dab31ec5ad02a41062c03e3641aa3b360 100644
--- a/Corona-Warn-App/src/test/java/de/rki/coronawarnapp/notification/TestResultAvailableNotificationServiceTest.kt
+++ b/Corona-Warn-App/src/test/java/de/rki/coronawarnapp/notification/TestResultAvailableNotificationServiceTest.kt
@@ -6,6 +6,7 @@ import android.content.Context
 import androidx.navigation.NavDeepLinkBuilder
 import de.rki.coronawarnapp.CoronaWarnApplication
 import de.rki.coronawarnapp.R
+import de.rki.coronawarnapp.storage.LocalData
 import de.rki.coronawarnapp.util.device.ForegroundState
 import de.rki.coronawarnapp.util.formatter.TestResult
 import io.kotest.matchers.shouldBe
@@ -41,11 +42,13 @@ class TestResultAvailableNotificationServiceTest {
         MockKAnnotations.init(this)
 
         mockkObject(CoronaWarnApplication)
+        mockkObject(LocalData)
 
         every { CoronaWarnApplication.getAppContext() } returns context
         every { context.getSystemService(Context.NOTIFICATION_SERVICE) } returns notificationManager
         every { navDeepLinkBuilderProvider.get() } returns navDeepLinkBuilder
         every { navDeepLinkBuilder.createPendingIntent() } returns pendingIntent
+        every { LocalData.isNotificationsTestEnabled } returns true
     }
 
     @AfterEach
@@ -110,4 +113,23 @@ class TestResultAvailableNotificationServiceTest {
             )
         }
     }
+
+    @Test
+    fun `test notification in background disabled`() = runBlockingTest {
+        coEvery { foregroundState.isInForeground } returns flow { emit(false) }
+        every { LocalData.isNotificationsTestEnabled } returns false
+
+        createInstance().apply {
+            showTestResultAvailableNotification(TestResult.POSITIVE)
+
+            verify(exactly = 0) {
+                notificationHelper.sendNotification(
+                    title = any(),
+                    content = any(),
+                    notificationId = any(),
+                    pendingIntent = any()
+                )
+            }
+        }
+    }
 }
diff --git a/Corona-Warn-App/src/test/java/de/rki/coronawarnapp/statistics/util/StatisticsNumberValueFormatterTest.kt b/Corona-Warn-App/src/test/java/de/rki/coronawarnapp/statistics/util/StatisticsNumberValueFormatterTest.kt
index 7065b23afe2f7cf33d7da19bc623aa65d70c8821..d95f4f30d3f3f7a157f430070d14d6467c0a6a32 100644
--- a/Corona-Warn-App/src/test/java/de/rki/coronawarnapp/statistics/util/StatisticsNumberValueFormatterTest.kt
+++ b/Corona-Warn-App/src/test/java/de/rki/coronawarnapp/statistics/util/StatisticsNumberValueFormatterTest.kt
@@ -55,6 +55,8 @@ internal class StatisticsNumberValueFormatterTest {
             Arguments.of(12.3456, 1, Locale.GERMANY, "12,3"),
             Arguments.of(12.3456, 2, Locale.GERMANY, "12,35"),
 
+            Arguments.of(1.0036, 1, Locale.GERMANY, "1,0"),
+
             Arguments.of(12.3456, 1, Locale.UK, "12.3"),
 
             Arguments.of(12.6543, -1, Locale.GERMANY, "13"),