Featured in flu
This year’s flu season could be a rager. Shots can help.
Last year was a record low for influenza, but this year could be tougher.
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.
The flu disappeared this year. What will happen next winter?
Social distancing and mask wearing helped keep this year's flu cases down. Next year will be different.
How to distinguish COVID-19 symptoms from a cold
You need to stay home either way.
The surprising ways your immune system adapts to the flu virus you got as a kid
Immunity continues to be an incredibly complicated concept.
Flu cases have been shockingly low during the pandemic. Here why.
It’s probably a mix of things we can, and cannot, control.
You can have COVID-19 without symptoms, but what about the flu?
Just because you’re not sneezing doesn’t mean you’re not contagious.
It’s never been more important to get a flu shot
There’s a bit of good news, but the US may still suffer a particularly nasty winter.
Outdoor heaters, video chat, and other hacks for surviving winter with COVID-19
Winter during a pandemic will be tough, but we can avoid the worst hits.
Tiny dust particles could help spread viruses like the flu
Some researchers say they deserve as much attention as aerosolized droplets.