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The U.S. hasn’t seen a human bird flu case in 3 months. Experts are wondering why
Health officials are making a renewed call for vigilance against bird flu, but some experts are puzzling over why reports of ...
Genetic test to reveal whether Brazil's bird flu case is linked to zoo deaths
Brazilian authorities hope to determine by Tuesday whether a confirmed outbreak of highly pathogenic avian influenza among ...
Bird flu in humans hasn't officially been seen in U.S. in 3 months: "We just don't know why"
Health officials are making a renewed call for vigilance against bird flu​, but some experts are puzzling over why reports of ...