If you can't access https://coronavirus.app, try accessing our mirror URL https://crnvr.us.
One of the unexpected consequences of having a domain that contains the term "virus" is that it tends to trigger false positive results in the algorithms used by firewalls and anti-virus software. The app was once banned by Facebook, Avast, Norton, etc. While we were able to fix most issues, there may be a few remaining.
Here are some other things you can do to try and access coronavirus.app: