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 ...

Over 160,000 people this season have landed in the hospital from flu complications, CDC estimates. More than 6,600 have died.

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 ...

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

Human metapneumovirus (HMPV) is one of the lesser-known winter illnesses that can cause symptoms similar to a cold - here's ...

The Centers for Disease Control and Prevention released some new flu data to the public on Friday, despite the Trump ...

People can also come in contact with the flu by touching a surface with the virus on it, although that is less common. The CDC recommends frequent hand-washing, other basic hygiene practices and ...

As of Jan. 20, the CDC reports that RSV activity has peaked in most of the U.S., particularly among young children—a group ...

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 ...