Amid a US outbreak of avian influenza in poultry flocks and dairy cattle, the federal government on Friday announced $72 million in funding to three vaccine manufacturers to expand the production of bird flu vaccines for humans, in the event that they are needed.
The H5N1 virus has affected millions of wild and commercial birds nationwide, and in March it made the jump to dairy cows for the first time. As the number of affected animals grows, so does the concern for spread to people. In the past, H5N1 has had a high mortality rate in humans, and scientists are monitoring the virus closely to determine whether it poses a
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