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.

With holiday gatherings and New Year's celebrations in the rearview mirror, many Americans are coming down with respiratory ...

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

Virologists suggest China's heightened surveillance and stricter measures post-Covid may be behind the rise in reported cases ...

New research led by scientists at La Jolla Institute for Immunology (LJI) suggests that many people already have immune cells on “stand by” to fight the H5N1 virus, also known as highly pathogenic ...

Feeling under the weather? Local health officials are tracking a variety of viruses making rounds in the community right now.

The Advisory Committee on Immunization Practices (ACIP) recommendations have been updated for the meningococcal serogroup B MenB-4C vaccine (Bexsero).

Tularemia cases in the U.S. rose by 56% from 2011 to 2022, with central states and American Indian communities most affected, highlighting diagnostic advancements and health disparities.

It's payback time for all the holiday gatherings, and doctors say most of the respiratory infections are mild. But the CDC is ...

The FDA has issued an urgent recall for shellstock oysters harvested last month in Washington state's Hammersley Inlet.

Norovirus is a contagious virus most commonly characterized by projectile vomiting and diarrhea. Other symptoms can include ...