Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...

Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 ...

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...

At least 61 people in the US have contracted bird flu amid outbreaks in poultry and dairy cows. What are the symptoms? What ...

For influenza viruses, imperfection is a strength. They constantly mutate, producing new strains that challenge immune ...

No H5N1 human outbreaks have been connected to any ... These are being considered suspected H5 bird flu cases, and confirmatory testing is being done. A new Stanford University study revealed ...

This marks the first case of H5N1 bird flu in the US connected to backyard flock exposure, according to health officials.

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Although human cases ... first is that we do everything right. We could continue to improve the timely surveillance of animals and raw milk — batches of which have been recalled for potential ...

A resident of southwestern Louisiana is currently hospitalized after being found with the first presumptive positive human case of pathogenic avian influenza, or H5N1, better known as Bird Flu.

A 59-year-old man in Mexico has died with a type of bird flu - H5N2 ... have been cases in some poultry farms in Mexico. Infections like this can sometime pass from animals to humans.