Featured in respiratory illness
As people unmask, other viral diseases are making a dangerous comeback
Respiratory syncytial virus infections, which mainly affect very young kids and older adults, are on the rise.
Legionnaires’ disease is totally preventable, but surprisingly deadly
There's been a big uptick in cases over the last decade.
Wildfires can hurt you from miles away
Only one kind of mask can truly protect you from the smoke.
Adenovirus is normally harmless—here’s why some outbreaks turn deadly
Here's what you need to know about the adenovirus.