Avian influenza A (H5N1) has mutated, so the symptoms of bird flu could change as more people get sick in 2025.

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers wrote.

The World Health Organization said in January 2025 that China's reported levels of acute respiratory infections, including ...

H5N1 vaccines have been previously licensed, and millions are in the national stockpile. But even with the news of the ...

H5N1 avian influenza continues to spread amid commercial and backyard poultry, and additional cases have been reported in ...

The agency says labs should accelerate testing on patients hospitalized with the flu within 24 hours of their admission.

Flu season is here in New Jersey, but other illnesses are in full swing in the Garden State. Here are the symptoms and how ...

Bird flu has been detected in a Georgia commercial poultry flock for the first time since a countrywide outbreak in 2022.

“We are smack in the middle of flu season, and it seems to be a pretty bad one,” he said, both in terms of case numbers and how severely the virus is hitting some people. Most can treat the ...

(KFVS) - You or someone you know may be struggling with a winter virus right ... cases of the flu going around over the last few weeks. He says they often see a lot more cases in people who ...

A San Francisco resident is the second child in the United States to contract the viral bird flu, the U.S ... There hasn’t been any person-to-person spread of the virus in the U.S., according ...

The United States’ highest month for flu illnesses is usually February, according to the CDC. But there are other respiratory viruses circulating ... when an infected person coughs, sneezes ...