Avian influenza—or bird flu, as it’s commonly known—continues to run through bird populations, killing millions of animals worldwide. Now, a particularly infectious and lethal strain of the virus called H5N1 appears to be spreading to mammals, with cases reported in wild otters, foxes, seals and in farmed minks.
An avian flu outbreak is spreading to mammals. What is the risk to humans?
Avian influenza—or bird flu, as it's commonly known—continues to run through bird populations, killing millions of animals worldwide. Now, a particularly infectious and lethal strain of the virus called H5N1 appears to be spreading to mammals, with cases reported in wild otters, foxes, seals and in farmed minks.