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Bird flu mutations in the US's first severe H5N1 case may boost the virus's ability to infect humans
Genetic analysis of H5N1 bird flu viruses from a severely ill patient in Louisiana revealed multiple mutations that may enhance the virus’s ability to bind to human upper airway cells ...
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Genetic mutations in H5N1 bird flu raise transmission concerns
Concern over bird flu is growing among some health experts. This bird virus, H5N1, uh, is circulating widely. In, uh, uh, domestic poultry and on dairy farms. One point of concern is the spread of ...