H3N2 subclade K strain — is responsible for 90% of influenza A cases across the U.S., which has led to double the cases in New Jersey.

The flu has infected "significantly" more Americans this winter than usual, says a doctor and infectious disease specialist.

An influenza vaccine is pictured at a free vaccine clinic at the Sanderson Community Center in Taylorsville on Wednesday, Nov. 9, 2022. The clinic is made possible through the Salt Lake County Health ...

Vaccines are an important part of modern medicine, helping to build up a person's immunity and protect them from illness, ...

The U.S. also endured its highest flu-related hospitalization rates in almost 15 years last flu season, with unvaccinated ...

Patients were 28% more likely to get a flu shot when they got a text message reminder and their primary care provider already ...

The makers of the nasal spray version of the flu vaccine say now they know why it has failed to protect young U.S. children against swine flu — fragile doses got too warm. The AstraZeneca FluMist ...

Getting the flu vaccine doesn't guarantee that you won't get sick, but it significantly lowers your chances of contracting it ...