William Schaffner

There’s a measles outbreak in Florida. Should you change your travel plans?

LifeStyle
Olivia Martin

Florida state officials are facing criticism for the way a measles outbreak is being handled, raising questions about whether it’s safe to ...

Measles and tuberculosis should be long-forgotten. Why are cases rising in the U.S.?

LifeStyle
Olivia Martin

A series of diseases that have been declining for years, and in some cases are considered eradicated in the U.S., are showing ...

What is ‘immunity theft’? How certain illnesses can leave you more vulnerable to other infections.

LifeStyle
Olivia Martin

Having a COVID-19 infection can shore up your immunity to the virus, but can it also leave you more susceptible to getting ...

You’re sick. Is it RSV, a cold, COVID or the flu? Here’s how to tell the difference.

LifeStyle
Olivia Martin

With cases of the flu, RSV, COVID-19 and the common cold at high levels across the country right now, it seems like ...

What’s the difference between long COVID, long cold and long flu?

LifeStyle
Olivia Martin

COVID-19 has brought intensified focus on infectious diseases, including scientists learning more about common respiratory illnesses in the wake of the pandemic. ...

COVID is still out there. Do you need to worry about it anymore?

LifeStyle
Olivia Martin

It’s been nearly four years since the COVID-19 pandemic caused life around the world to grind to a halt. Since then, a ...

A new COVID variant is spreading fast in the US. These are its most common symptoms

Health
Rachel Carter

Right now, all eyes are on the new COVID variant JN.1, a heavily mutated new strain that has swept the United States ...

The flu is soaring in seven US states and rising in others, health officials say

Health
Rachel Carter

NEW YORK (AP) — The U.S. flu season is underway, with at least seven states reporting high levels of illnesses and cases ...