they choose two strains of influenza A (one variant of H1N1 and one variant of H3N2) and one strain of influenza B. (Before 2024, quadrivalent vaccines would include two strains of influenza B.) These ...

Though hospitalizations and other markers trended lower, the CDC received reports of 17 more pediatric flu deaths.

Also, a group of experts expresses concern about an increase in recent months in wild poliovirus cases in Afghanistan and ...

has unveiled its new variant called the Bayraktar TB2T-AI. Selçuk Bayraktar, the company’s Chief Technology Officer, released a video on Feb. 22, 2025, showing the first test flight of the ...

When the scientists treated lab mice with antibodies that target both the central and lower hemagglutinin stem sites, the animals were protected from infection following exposure to H3N2 seasonal ...

Most flu cases appear to be from influenza A strains, with a split between influenza A/H3N2 and influenza A/H1N1. These are two different subtypes of the influenza A virus. Researchers believe ...

A Stanford-led team has found two antibodies that can work together to defeat all SARS-CoV-2 variants. More research is needed, but the approach could help in the development of treatments to keep ...