Of all the pathogens that have plagued humanity, few are as notorious and persistent as influenza. Its Houdini-like ability to regularly slip the shackles of vaccine- or infection-induced immunity, ...

The difference between seasonal flu and pandemic flu is whether or not people have had a chance to build immunity to the virus through previous exposure. People are exposed to influenza viruses ...

The global response to COVID-19 has pushed the boundaries of preparedness for a respiratory virus. At the request of the Office of Global Affairs within the U.S. Department of Health and Human ...

Antiviral use among kids hospitalized with influenza ranged between 48.3% and 56.8% before the pandemic, but declined to 38.1% in 2021-2022 and 46.1% in 2022-2023. Factors significantly associated ...

NEW YORK (AP) — U.S. flu infections surged over the holidays, and health officials are calling it a severe season that is likely to get worse. New government data posted Monday — for flu activity ...