how do we diagnose COVID? not by symptoms as there are no unique symptoms for COVID, we do it with a PCR test. So then how do we diagnose bird flu? same, with a PCR test.
how do we diagnose COVID? not by symptoms as there are no unique symptoms for COVID, we do it with a PCR test. So then how do we diagnose bird flu? same, with a PCR test.
It's simple:
how do we diagnose COVID? not by symptoms as there are no unique symptoms for COVID, we do it with a PCR test. So then how do we diagnose bird flu? same, with a PCR test.
Again?