diff --git a/homeassistant/components/coronavirus/__init__.py b/homeassistant/components/coronavirus/__init__.py
index 95c3cd1c024..04976a1e4c5 100644
--- a/homeassistant/components/coronavirus/__init__.py
+++ b/homeassistant/components/coronavirus/__init__.py
@@ -8,8 +8,8 @@ import async_timeout
 import coronavirus
 
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.core import HomeAssistant
-from homeassistant.helpers import aiohttp_client, update_coordinator
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers import aiohttp_client, entity_registry, update_coordinator
 
 from .const import DOMAIN
 
@@ -25,6 +25,26 @@ async def async_setup(hass: HomeAssistant, config: dict):
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
     """Set up Coronavirus from a config entry."""
+    if isinstance(entry.data["country"], int):
+        hass.config_entries.async_update_entry(
+            entry, data={**entry.data, "country": entry.title}
+        )
+
+        @callback
+        def _async_migrator(entity_entry: entity_registry.RegistryEntry):
+            """Migrate away from unstable ID."""
+            country, info_type = entity_entry.unique_id.rsplit("-", 1)
+            if not country.isnumeric():
+                return None
+            return {"new_unique_id": f"{entry.title}-{info_type}"}
+
+        await entity_registry.async_migrate_entries(
+            hass, entry.entry_id, _async_migrator
+        )
+
+    if not entry.unique_id:
+        hass.config_entries.async_update_entry(entry, unique_id=entry.data["country"])
+
     for component in PLATFORMS:
         hass.async_create_task(
             hass.config_entries.async_forward_entry_setup(entry, component)
@@ -56,7 +76,7 @@ async def get_coordinator(hass):
         try:
             with async_timeout.timeout(10):
                 return {
-                    case.id: case
+                    case.country: case
                     for case in await coronavirus.get_cases(
                         aiohttp_client.async_get_clientsession(hass)
                     )
diff --git a/homeassistant/components/coronavirus/config_flow.py b/homeassistant/components/coronavirus/config_flow.py
index 59d25e16709..49183dd028e 100644
--- a/homeassistant/components/coronavirus/config_flow.py
+++ b/homeassistant/components/coronavirus/config_flow.py
@@ -26,10 +26,14 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         if self._options is None:
             self._options = {OPTION_WORLDWIDE: "Worldwide"}
             coordinator = await get_coordinator(self.hass)
-            for case_id in sorted(coordinator.data):
-                self._options[case_id] = coordinator.data[case_id].country
+            for case in sorted(
+                coordinator.data.values(), key=lambda case: case.country
+            ):
+                self._options[case.country] = case.country
 
         if user_input is not None:
+            await self.async_set_unique_id(user_input["country"])
+            self._abort_if_unique_id_configured()
             return self.async_create_entry(
                 title=self._options[user_input["country"]], data=user_input
             )
diff --git a/homeassistant/components/coronavirus/sensor.py b/homeassistant/components/coronavirus/sensor.py
index 770ab78b43e..20f18896431 100644
--- a/homeassistant/components/coronavirus/sensor.py
+++ b/homeassistant/components/coronavirus/sensor.py
@@ -25,9 +25,9 @@ class CoronavirusSensor(Entity):
     def __init__(self, coordinator, country, info_type):
         """Initialize coronavirus sensor."""
         if country == OPTION_WORLDWIDE:
-            self.name = f"Worldwide {info_type}"
+            self.name = f"Worldwide Coronavirus {info_type}"
         else:
-            self.name = f"{coordinator.data[country].country} {info_type}"
+            self.name = f"{coordinator.data[country].country} Coronavirus {info_type}"
         self.unique_id = f"{country}-{info_type}"
         self.coordinator = coordinator
         self.country = country
diff --git a/homeassistant/components/coronavirus/strings.json b/homeassistant/components/coronavirus/strings.json
index 13cd5f04012..fd4873c808c 100644
--- a/homeassistant/components/coronavirus/strings.json
+++ b/homeassistant/components/coronavirus/strings.json
@@ -8,6 +8,9 @@
           "country": "Country"
         }
       }
+    },
+    "abort": {
+      "already_configured": "This country is already configured."
     }
   }
 }
diff --git a/homeassistant/components/eight_sleep/manifest.json b/homeassistant/components/eight_sleep/manifest.json
index 6372967b42b..ac7a11eed3c 100644
--- a/homeassistant/components/eight_sleep/manifest.json
+++ b/homeassistant/components/eight_sleep/manifest.json
@@ -2,7 +2,7 @@
   "domain": "eight_sleep",
   "name": "Eight Sleep",
   "documentation": "https://www.home-assistant.io/integrations/eight_sleep",
-  "requirements": ["pyeight==0.1.3"],
+  "requirements": ["pyeight==0.1.4"],
   "dependencies": [],
   "codeowners": ["@mezz64"]
 }
diff --git a/homeassistant/components/eight_sleep/sensor.py b/homeassistant/components/eight_sleep/sensor.py
index af6de2657ce..f0fc4b5d1d6 100644
--- a/homeassistant/components/eight_sleep/sensor.py
+++ b/homeassistant/components/eight_sleep/sensor.py
@@ -261,14 +261,26 @@ class EightUserSensor(EightSleepUserEntity):
             bed_temp = None
 
         if "current" in self._sensor_root:
-            state_attr[ATTR_RESP_RATE] = round(self._attr["resp_rate"], 2)
-            state_attr[ATTR_HEART_RATE] = round(self._attr["heart_rate"], 2)
+            try:
+                state_attr[ATTR_RESP_RATE] = round(self._attr["resp_rate"], 2)
+            except TypeError:
+                state_attr[ATTR_RESP_RATE] = None
+            try:
+                state_attr[ATTR_HEART_RATE] = round(self._attr["heart_rate"], 2)
+            except TypeError:
+                state_attr[ATTR_HEART_RATE] = None
             state_attr[ATTR_SLEEP_STAGE] = self._attr["stage"]
             state_attr[ATTR_ROOM_TEMP] = room_temp
             state_attr[ATTR_BED_TEMP] = bed_temp
         elif "last" in self._sensor_root:
-            state_attr[ATTR_AVG_RESP_RATE] = round(self._attr["resp_rate"], 2)
-            state_attr[ATTR_AVG_HEART_RATE] = round(self._attr["heart_rate"], 2)
+            try:
+                state_attr[ATTR_AVG_RESP_RATE] = round(self._attr["resp_rate"], 2)
+            except TypeError:
+                state_attr[ATTR_AVG_RESP_RATE] = None
+            try:
+                state_attr[ATTR_AVG_HEART_RATE] = round(self._attr["heart_rate"], 2)
+            except TypeError:
+                state_attr[ATTR_AVG_HEART_RATE] = None
             state_attr[ATTR_AVG_ROOM_TEMP] = room_temp
             state_attr[ATTR_AVG_BED_TEMP] = bed_temp
 
diff --git a/homeassistant/components/minecraft_server/__init__.py b/homeassistant/components/minecraft_server/__init__.py
index 789e4d8f1b8..a025c44e33c 100644
--- a/homeassistant/components/minecraft_server/__init__.py
+++ b/homeassistant/components/minecraft_server/__init__.py
@@ -47,7 +47,7 @@ async def async_setup_entry(hass: HomeAssistantType, config_entry: ConfigEntry)
     await server.async_update()
     server.start_periodic_update()
 
-    # Set up platform(s).
+    # Set up platforms.
     for platform in PLATFORMS:
         hass.async_create_task(
             hass.config_entries.async_forward_entry_setup(config_entry, platform)
@@ -103,7 +103,6 @@ class MinecraftServer:
         self._mc_status = MCStatus(self.host, self.port)
 
         # Data provided by 3rd party library
-        self.description = None
         self.version = None
         self.protocol_version = None
         self.latency_time = None
@@ -168,7 +167,6 @@ class MinecraftServer:
             )
 
             # Got answer to request, update properties.
-            self.description = status_response.description["text"]
             self.version = status_response.version.name
             self.protocol_version = status_response.version.protocol
             self.players_online = status_response.players.online
@@ -185,7 +183,6 @@ class MinecraftServer:
             self._last_status_request_failed = False
         except OSError as error:
             # No answer to request, set all properties to unknown.
-            self.description = None
             self.version = None
             self.protocol_version = None
             self.players_online = None
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 473fe1e3ace..fd4ac8cc1a1 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -1,7 +1,7 @@
 """Constants used by Home Assistant components."""
 MAJOR_VERSION = 0
 MINOR_VERSION = 106
-PATCH_VERSION = "3"
+PATCH_VERSION = "4"
 __short_version__ = f"{MAJOR_VERSION}.{MINOR_VERSION}"
 __version__ = f"{__short_version__}.{PATCH_VERSION}"
 REQUIRED_PYTHON_VER = (3, 7, 0)
diff --git a/homeassistant/helpers/entity_registry.py b/homeassistant/helpers/entity_registry.py
index 5996fb6eaf7..87383d45635 100644
--- a/homeassistant/helpers/entity_registry.py
+++ b/homeassistant/helpers/entity_registry.py
@@ -11,7 +11,7 @@ import asyncio
 from collections import OrderedDict
 from itertools import chain
 import logging
-from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, cast
+from typing import TYPE_CHECKING, Any, Callable, Dict, Iterable, List, Optional, cast
 
 import attr
 
@@ -560,3 +560,21 @@ def async_setup_entity_restore(
             states.async_set(entry.entity_id, STATE_UNAVAILABLE, attrs)
 
     hass.bus.async_listen(EVENT_HOMEASSISTANT_START, _write_unavailable_states)
+
+
+async def async_migrate_entries(
+    hass: HomeAssistantType,
+    config_entry_id: str,
+    entry_callback: Callable[[RegistryEntry], Optional[dict]],
+) -> None:
+    """Migrator of unique IDs."""
+    ent_reg = await async_get_registry(hass)
+
+    for entry in ent_reg.entities.values():
+        if entry.config_entry_id != config_entry_id:
+            continue
+
+        updates = entry_callback(entry)
+
+        if updates is not None:
+            ent_reg.async_update_entity(entry.entity_id, **updates)  # type: ignore
diff --git a/requirements_all.txt b/requirements_all.txt
index 52f06eda1bf..3cae53619bf 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1226,7 +1226,7 @@ pyeconet==0.0.11
 pyedimax==0.2.1
 
 # homeassistant.components.eight_sleep
-pyeight==0.1.3
+pyeight==0.1.4
 
 # homeassistant.components.emby
 pyemby==1.6
diff --git a/tests/components/coronavirus/test_config_flow.py b/tests/components/coronavirus/test_config_flow.py
index 6d940d8e53d..ef04d0df07a 100644
--- a/tests/components/coronavirus/test_config_flow.py
+++ b/tests/components/coronavirus/test_config_flow.py
@@ -22,9 +22,9 @@ async def test_form(hass):
         result2 = await hass.config_entries.flow.async_configure(
             result["flow_id"], {"country": OPTION_WORLDWIDE},
         )
-
     assert result2["type"] == "create_entry"
     assert result2["title"] == "Worldwide"
+    assert result2["result"].unique_id == OPTION_WORLDWIDE
     assert result2["data"] == {
         "country": OPTION_WORLDWIDE,
     }
diff --git a/tests/components/coronavirus/test_init.py b/tests/components/coronavirus/test_init.py
new file mode 100644
index 00000000000..57293635570
--- /dev/null
+++ b/tests/components/coronavirus/test_init.py
@@ -0,0 +1,58 @@
+"""Test init of Coronavirus integration."""
+from asynctest import Mock, patch
+
+from homeassistant.components.coronavirus.const import DOMAIN, OPTION_WORLDWIDE
+from homeassistant.helpers import entity_registry
+from homeassistant.setup import async_setup_component
+
+from tests.common import MockConfigEntry, mock_registry
+
+
+async def test_migration(hass):
+    """Test that we can migrate coronavirus to stable unique ID."""
+    nl_entry = MockConfigEntry(domain=DOMAIN, title="Netherlands", data={"country": 34})
+    nl_entry.add_to_hass(hass)
+    worldwide_entry = MockConfigEntry(
+        domain=DOMAIN, title="Worldwide", data={"country": OPTION_WORLDWIDE}
+    )
+    worldwide_entry.add_to_hass(hass)
+    mock_registry(
+        hass,
+        {
+            "sensor.netherlands_confirmed": entity_registry.RegistryEntry(
+                entity_id="sensor.netherlands_confirmed",
+                unique_id="34-confirmed",
+                platform="coronavirus",
+                config_entry_id=nl_entry.entry_id,
+            ),
+            "sensor.worldwide_confirmed": entity_registry.RegistryEntry(
+                entity_id="sensor.worldwide_confirmed",
+                unique_id="__worldwide-confirmed",
+                platform="coronavirus",
+                config_entry_id=worldwide_entry.entry_id,
+            ),
+        },
+    )
+    with patch(
+        "coronavirus.get_cases",
+        return_value=[
+            Mock(country="Netherlands", confirmed=10, recovered=8, deaths=1, current=1),
+            Mock(country="Germany", confirmed=1, recovered=0, deaths=0, current=0),
+        ],
+    ):
+        assert await async_setup_component(hass, DOMAIN, {})
+        await hass.async_block_till_done()
+
+    ent_reg = await entity_registry.async_get_registry(hass)
+
+    sensor_nl = ent_reg.async_get("sensor.netherlands_confirmed")
+    assert sensor_nl.unique_id == "Netherlands-confirmed"
+
+    sensor_worldwide = ent_reg.async_get("sensor.worldwide_confirmed")
+    assert sensor_worldwide.unique_id == "__worldwide-confirmed"
+
+    assert hass.states.get("sensor.netherlands_confirmed").state == "10"
+    assert hass.states.get("sensor.worldwide_confirmed").state == "11"
+
+    assert nl_entry.unique_id == "Netherlands"
+    assert worldwide_entry.unique_id == OPTION_WORLDWIDE