There is a risk that the H5N1 bird flu virus, present in many wild birds, may infect cows in countries beyond the United States as they migrate, a World Health Organisation official said on Tuesday.
“With the virus carried around the world by migratory birds, certainly there is a risk for cows in other countries to begetting infected,” Wenqing Zhang, head of WHO’s Global Influenza Programme, said at a news briefing in Geneva. Zhang reiterated that the UN agency deems the overall public health risk posed by the virus to be low but urged vigilance, especially among farm workers.
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