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 ...

Genetic analysis of H5N1 bird flu virus that infected a Canadian teenager shows 'worrisome' mutations, new studies reveal.

Federal health officials have disclosed new unsettling details about the first severe case of bird flu reported in the United ...

The Centers for Disease Control and Prevention and other federal agencies are closely monitoring the spread of the HN51 avian ...

The Centers for Disease Control and Prevention is keeping close eye on pandemic indicators amid bird flu cases arising in the United States.

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

The CDC has revealed the red flags it is monitoring for that suggest that bird flu was about to become the world's next pandemic.

The call to authorize a vaccine comes after the CDC announced that a person in Louisiana was hospitalized with the country's first known case of severe illness caused by the virus earlier this month.

In 2024, at least 66 human cases of bird flu have been reported in the United States, each one raising the risk of another ...

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