The ferret who gave a scientist the flu

In 1933, a laboratory ferret sneezed in a researcher's face — and proved a point nobody wanted proving.

Scientists at a London research institute were hunting the cause of human influenza. They had infected ferrets with material from sick people, and the ferrets fell ill in a familiar way: sneezing, feverish, flat, off their food. Then one of the animals sneezed on a young researcher, and a few days later he came down with flu himself. The virus had travelled from human to ferret and back again.

That accident helped establish the ferret as the standard animal model for flu research, a role it still holds today. If you have ever read about a new influenza strain being tested for transmissibility, ferrets were almost certainly involved.

Why it matters on your sofa: the traffic runs both ways. Ferrets genuinely catch human influenza from their people.

So if you are ill, wash your hands before handling, skip the face-to-face cuddles, and let someone else do the fussing if you can. And watch your ferret for sneezing, runny eyes or nose, lethargy and a sudden disinterest in food.

Most ferrets ride out flu in under a week, but the very young, very old or already unwell can struggle — and those same signs overlap with far more serious illnesses, including distemper, which is fatal in ferrets and preventable by vaccination.

If your ferret stops eating, becomes limp, or does not pick up within a day or two, call a vet experienced with exotic pets rather than waiting it out. 🦡