Flu is taking off in the U.S., with 40 states reporting high or very high levels of flu-like illness last week.

Emergency room visits with influenza are now "very high" nationwide, the Centers for Disease Control and Prevention said Friday, in this week's update on the winter respiratory virus season.

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

A recent study shows influenza vaccination provides consistent protection for children against all levels of severe flu ...

New research led by scientists at La Jolla Institute for Immunology (LJI) suggests that many people already have immune cells ...

Highly pathogenic H5N1 avian influenza A virus (HPAI H5N1) remains a low risk to the general public, and public health experts in the United States believe that available treatments and vaccines, as ...

Gut-Brain Connection. People who have CD83+ microglia in their brains also have HCMV (top left) and IgG4 (top right) in their ...

New research led by scientists at La Jolla Institute for Immunology (LJI) suggests that many people already have immune cells ...

A growing nationwide egg shortage driven by bird flu means omelets are a little smaller at Pete’s Breakfast House on ...

The risk of respiratory syncytial virus, or RSV, is on the rise, along with that of other illnesses including the flu, stomach flu and COVID-19.

Vaccine effectiveness of 52.8% seen for ED visits, 52.3% for noncritical hospitalization, 50.4% for critical hospitalization.

The Department of Health, during the early part of the year, recorded increasing cases of measles and rubella in the country.