How many animal species have caught COVID? First global tracker has (partial) answers

Mink get it. Hamsters get it. Cats and dogs get it.

They're a few of the many animal species to have contracted COVID-19.

But how many species have been affected? And how many cases have there been in the animal kingdom?

Those are difficult questions to answer – just as it's hard to come up with an accurate total for human cases, since many people don't report a positive test to health authorities. Yet it's an important task, say researchers, because of the possibility that the virus could mutate into...