H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and ...

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird flu. It's a reassortment strain that originated from the H5N1, H7N9, and ...

Bird flu has been detected in a local wastewater sample, but it isn't yet clear whether the virus came from animals, animal products or people, according to the Lincoln-Lancaster County Health ...

Cold and flu season is in full swing as four major respiratory viruses circulate the country. According to the Centers for Disease Control and Prevention, at least 15 states have "very high ...

The influenza activity map shows 43 jursidictions with high or very high activity, including Kentucky. More than 37,000 patients were admitted to the hospital due to the flu during the week ending ...

killing millions around the world. The symptoms can range from mild to severe and are similar to those of the flu, with the additions of a loss of taste or smell and sometimes diarrhea or vomiting.

A recent bird flu death has sparked fears that a "brand-new virus" could potentially mutate under the right conditions and lead to a "global pandemic". Last week, the Louisiana Department of ...

In the map, S.C. scored "very high" in influenza-like illness (ILI) activity for the first week of the 2024-25 influenza season ending Jan. 4, 2025. This is the highest category of activity level.

Replication kinetics, pathogenicity and virus-induced cellular responses of cattle-origin influenza A(H5N1) isolates from Texas, United States. Emerging Microbes & Infections , 2025; 14 (1) DOI ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...