core/homeassistant/components/coronavirus/strings.json

{
  "config": {
    "step": {
      "user": {
        "title": "Pick a country to monitor",
        "data": { "country": "Country" }
      }
    },
    "abort": {
      "already_configured": "[%key:common::config_flow::abort::already_configured_service%]"
    }
  }
}