In this prospective observational study, immune protection against H5N1 and H7N9 avian influenza virus (AIV) was almost absent prior to vaccination. However, seasonal influenza vaccines induced a ...

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. This ...

The US Food and Drug Administration on Thursday issued recommendations for the composition of influenza shots for the upcoming respiratory virus season, but without input from its independent vaccine ...

A new large-scale study conducted by the Cleveland Clinic on the effectiveness of the 2024–2025 influenza vaccine shows that those who took the shot had a 27 percent higher risk of infection compared ...

The flu vaccine is recommended annually for all Americans 6 months and older, per the Centers for Disease Control and Prevention — but a new study from Cleveland Clinic suggests that it might not have ...

For the first time since the beginning of the pandemic, more people in the U.S. died of influenza than from COVID-19 in the week ending on Jan. 25, according to weekly figures published by the Centers ...

Pfizer’s mRNA flu vaccine outperformed the standard flu shot in a Phase 3 clinical trial, according to results published Wednesday in the New England Journal of Medicine. The vaccine uses the same ...