David Quammen, known for warning about pandemics before COVID-19, says the next major health threat could come from H5N1 Bird Flu.
The virus is currently spreading among wild birds, poultry, and some cattle. Scientists worry that frequent infections give the virus more chances to mutate.
Quammen says the risk of human-to-human spread is still low, but large-scale animal farming and increased contact between humans and wildlife could raise the chances of a future outbreak.
Experts say stronger monitoring and prevention efforts are important to reduce the risk of another global health crisis.
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