With flu season firmly underway, cases and hospitalizations are rising in Wisconsin. Experts are closely watching a new flu variant called H3N2 subclade K that has led to an earlier and tougher flu ...
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 lab tests and a hospitalization rate of 11 people per 100,000, ...