WHO’s top scientist learned a hard lesson about H5N1 two decades ago: Stopping it takes more than biology
STAT
MAY 7, 2024
Jeremy Farrar, now the World Health Organization’s chief scientist, was working in Vietnam 20 years ago when the H5N1 virus started to spread across Asia — at that point in poultry. He recalls there was a reluctance among farmers to cull their chickens because they weren’t being compensated for them. Movement of infected birds to evade culling only served to disseminate the virus, which in the years since has spread to all continents except Australia.
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