On home screen the user is presented with number of cases ("Chorí") and number of recoveries ("Uzdravení"), which implies the total number of cases is "Chorí" + "Uzdravení" which is incorrect. In fact "Chorí" represents the total number of confirmed cases by itself.
I think best term to use would be "confirmed cases" (as used by Our World in Data), since we know only about cases confirmed by tests, not all cases in general. In Slovak that would be "Potvrdené prípady" instead of "Chorí", or possibly "Nakazení" if shorter string is absolutely necessary.