Flu season hits campuses early and hard

Image:  Influenza outbreaks have always been of particular concern on college campuses, where close-quarters living, crowded lecture halls and fluid social circles make airborne transmission especially easy. But the past two flu seasons were almost nonexistent on campuses, thanks to remote learning during the COVID-19 pandemic—which kept them empty—or masking and social distancing policies when students returned. This winter, as colleges and universities cast off two years of caution,...