Goat, quail and pawpaw 'test positive' for coronavirus in Tanzania
Is there such a thing as “the” COVID-19 test? Indeed there is not. There are many and each is looking for different things and making different decisions about whether those things are present or not. So what does that tell us about the "official" coronavirus figures shown on the BBC news (and elesewhere) every day? And the policy decisions being made on the basis of those numbers?