IDPH data shows 7.8% of emergency department visits for the flu, 1.6% of visits for COVID-19, and 0.7% of visits for RSV. The state reported high respiratory illness activity in late December ...

The isolation of influenza virus 80 years ago in 1933 very quickly led to the development of the first generation of live-attenuated vaccines. The first inactivated influenza vaccine was ...

Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, the U.S. Centers for ...

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

Data from the Centers from Disease Control and Prevention on doctors' visits for flu-like symptoms indicate this is the most ...

San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

Multiple cases of bird flu in chickens are forcing the closure of live poultry markets in parts of New York state, Gov. Kathy ...

H5N1 isn’t going away anytime soon and could become a pandemic. Here are some tips to help you understand your risk ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...