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Bird flu is highly lethal to some animals, but not to others. Scientists want to know why

In the last two years, bird flu has been blamed for the deaths of millions of wild and domestic birds worldwide. It’s killed legions of seals and sea lions, wiped out mink farms, and dispatched cats, dogs, skunks, foxes and even a polar bear.

But it seems to have hardly touched people.

That’s “a little bit of a head scratcher,” although there are some likely explanations, said Richard Webby, a flu researcher at St. Jude Children’s Research Hospital in Memphis, Tennessee. It could have to do with how infection occurs or because species have differences in the microscopic docking points that flu viruses need to take root and multiply in cells, experts say.

But what keeps scientists awake at night is whether that situation will change.

PeteBauxigeg ,

Cuz they’re different animals init

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