Latest data shows which counties have been hardest hit by bird flu outbreaks among poultry flocks as the human case count ...

20 U.S. states (plus D.C.) had "very high" levels of SARS-CoV-2—the virus that causes COVID-19—present in wastewater for the week between December 29, 2024 and January 04, 2025. This is a jump ...

Respiratory illnesses, including COVID-19, influenza, and RSV, are surging across the United States, with healthcare systems ...

However, the discovery of this strain raises concern about the H5N1 strains of bird flu currently circulating in the United States: the virus’s rapid mutation when it infects a new host species.

Several US states, mostly in the Midwest, Northeast, and South, saw a rise in COVID-19 deaths and test positivity in the last ...

Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several ...

Large-scale mortality among snow geese has led the Pennsylvania Game Commission to declare Lehigh Valley the epicenter of a ...

APHIS reports new cases in Georgia, Maryland, Missouri and Virginia and offers new information on the situation in Indiana.

A research team from Queen’s University Belfast has mapped the introduction and spread of the SARS-CoV-2 virus across Ireland ...

For the first time during the 2022-25 highly pathogenic avian influenza (HPAI) outbreak, the presence of the virus has been ...

They worry that the H5N1 virus has the potential to set off another human pandemic. “You’ve got something that’s clearly evolving here in the United States,” said Dr. Cameron Wolfe ...