It is a bloody trail: Avian flu has killed 15 million domestic birds and led to the culling of an unprecedented 193 million more since October 2021. The rampant virus has jumped from Europe and Asia to North America — spreading shortly afterwards to bird populations in South and Central America.
And it is no longer restricted to birds. In the United States, the list of wild mammals either killed by or culled over avian influenza outbreaks is growing: grizzly bears in Nebraska and Montana, a red fox in Montana, six skunks and raccoons in Oregon, a Kodiak bear in Alaska and more.
Then in January, the World Health Organization (WHO) reported avian influenza in a young girl in Ecuador, the first such case ever in Latin America.
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