Yes, ashamed. Prefer? This is not the time to have preferences, but regardless, there are official sources that send you notifications.
You will know when the virus is near you before the operator of this service has a chance to update their data. The service is useless and any minimal false sense of security it gives could harm people by making them a bit less likely to follow official information sources and to prepare in time.
Which one of those will tell me when covid 19 is in my city and not bother me otherwise? Supposing I'm not willing to bet that my government will be operating with the efficiency of South Korea's, I mean.
You will know when the virus is near you before the operator of this service has a chance to update their data. The service is useless and any minimal false sense of security it gives could harm people by making them a bit less likely to follow official information sources and to prepare in time.