The measles virus doesn’t need direct contact to infect you—it can hang in the air for up to two hours after an infected person has coughed or sneezed. As summer travel ramps up, this highly ...

This researcher at Virginia Tech uses a waterproof bag to capture air, in the development of a COVID air sampling device. (Courtesy Virginia Tech) Researchers at Virginia Tech are working on a device ...

Winter often brings sniffles and coughs because cold, dry air weakens our natural defenses. Chilled nasal passages slow immune responses, while dry air thins mucus, making it less effective at ...