This year’s flu season is shaping up to be a nasty one—driven by a new variant of the influenza virus that may be able to slip past our vaccine defenses. A mutated form of the influenza A strain H3N2 ...

The flu is straining hospitals and urgent cares across the United States, with the surge in infections driven by an aggressive new flu variant. Flu activity remains high in most parts of the country, ...

It can happen anywhere—at a sunny café sipping your favorite drink, on your morning walk, winding down from a long day at work, or enjoying a night out with friends. Out of the blue, you notice ...