In 2024, at least 66 human cases of bird flu have been reported in the United States, each one raising the risk of another pandemic like COVID-19. So far, most cases have been described as “mild,” which means they weren't hospitalized.

Federal health officials have confirmed unsettling new details about the first United States case of severe bird flu,

A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed mutations that may result in the virus becoming more transmissible

A genetic analysis of the bird flu in the body of a Louisiana man who contracted the first severe case found it mutated inside of his body, a development that could allow the virus to more easily spread to humans.

The Centers for Disease Control and Prevention (CDC) has identified mutations in the H5N1 bird flu virus that may increase its ability to infect humans. These mutations, found in the hemagglutinin (HA) gene,

Bird flu cases are on the rise in the U.S., and the CDC is on high alert. With 66 confirmed human cases so far, officials are watching closely for signs that the virus could mutate and spread more easily between people,

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the illness in the United States. The U.S.

A genetic analysis of samples from the patient in Louisiana recently hospitalized with the country’s first severe case of H5N1 bird flu show the virus likely mutated in the patient to potentially become more transmissible to humans,

Health experts are raising concerns after genetic sampling of the first severe H5N1 bird flu case in the U.S. Map shows US states where 'damaging' Arctic blast will hit first - and more to come Look inside the Breakers,