A simple and inexpensive paper strip test could help diagnose a case of the flu, and even identify the influenza strain that caused it, a new study finds. Top News .

Feb. 26, 2025 — Pre-existing immunity against seasonal H1N1 flu might help explain why most reported human cases of H5N1 bird flu in the U.S. have not resulted in lethal ... Flu Vaccines Were ...

A simple and inexpensive paper strip test could help diagnose a case of the flu, and even identify the influenza strain that caused it, a new study finds. News.