An emergency ruling is now in effect in Missouri, targeting the state’s high maternal mortality rate. An emergency ruling is ...

The latest developments are highly concerning, as they raise the possibility that the H5N1 virus has evolved the ability to ...

The latest human case of bird flu in the U.S. occurred in a patient with no reported exposure to affected animals, sparking ...

Another health care worker who was exposed to a Missouri patient who tested positive for bird flu developed respiratory symptoms but wasn't tested for the flu.

Health authorities in the US are studying seven people who developed influenza symptoms after being exposed to a Missouri ...

Marrazzo became the first new director of the National Institute of Allergy and Infectious Diseases in decades, taking over a ...

Seven people fell ill with flu-like symptoms after contact with someone infected with H5N1, raising fears that the virus has ...

ST. LOUIS — As of Monday evening, there is only one confirmed human case of bird flu in Missouri. The single case is one of 15 reported nationwide since 2022. However, the recent Missouri case is ...

None of the health care workers or other contact have tested positive for avian flu antibodies so far — but could their ...

At least eight people may be infected with H5N1 bird flu in Missouri, marking the first cluster of the disease spreading ...

Ever since the virus known as H5N1 was identified in dairy cows in March, it’s continued to spread around the country — turning up in 200 herds over at least 14 states.

In what could be the first cases of bird flu spreading between humans in the United States, a group of potential H5N1 ...