This year’s flu season has been especially harsh, driven in part by the rapid spread of a new variant known as subclade K. As cases rise, a newly released study offers surprising insight into how influenza spreads and how people may better…

This year’s flu season has been especially harsh, driven in part by the rapid spread of a new variant known as subclade K. As cases rise, a newly released study offers surprising insight into how influenza spreads and how people may better…