The deadly H5N1 bird flu virus has spread more aggressively than ever before in wild birds and marine mammals since arriving in South America in 2022, raising the risk of it evolving into a bigger threat to humans, according to interviews with eight scientists. This strain has already killed a handful of dolphins in Chile and Peru, some 50,000 seals and sea lions along the coasts, and at least half a million birds regionwide. "It's almost certainly happened," said Richard Webby, a virologist at St. Jude's Children's Research Hospital in Memphis, Tennessee.
Bird Flu Strain Raises Alarm as Virus Kills South American Wildlife usnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from usnews.com Daily Mail and Mail on Sunday newspapers.
Sanchez Vazquez: Of more immediate concern is evidence the disease, once largely confined to bird species, appears to be spreading between mammals. This strain has already killed a handful of dolphins in Chile and Peru, some 50,000 seals and sea lions along the coasts, and at least half a million birds regionwide.
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