Fact checked by Jennifer Klump For years, researchers have sought to develop a vaccine that can protect against any current ...
Add Yahoo as a preferred source to see more of our stories on Google. The flu season is ramping up in a big way as an influenza A H3N2 mutation called subclade K drove a near 15% increase in clinical ...
(NEXSTAR) – As one variant of the flu virus starts to decline, another is rising to take its place. Influenza A is still the most common type of flu circulating, but influenza B has risen for two ...