This sexually transmitted infection is almost entirely preventable. Here's what experts say you really need to know to ...

I research virus outbreaks around the world. Here’s what I’ll be keeping an eye on in 2026 that could cause infections in unexpected places or cases.

Adenovirus isn’t as well-known as flu or COVID, but it’s one of the most common viruses people catch — especially in childhood. In fact, most people will have been infected at least once before the ...

The Chikungunya virus is spread by infected mosquitoes and causes symptoms like fever and severe joint pain. There is no specific medicine to treat the virus, and the best way to prevent it is by ...

The most significant illness circulating right now is influenza, according to the Illinois Department of Public Health and ...

Two suspected Nipah virus cases have been reported in West Bengal, prompting authorities to deploy a National Joint Outbreak ...

Lurking in the vast expanse of the ocean and buried deep in the Siberian permafrost, there are giants—not blue whales and mammoths, but giant viruses.

This week, the World Health Organization (WHO) raised concerns about a surge in the number of cases of a mosquito-borne viral infection called chikungunya. Between August 2024 and May 2025, more than ...

A person living in the suburbs of New York City has tested positive for chikungunya, a mosquito-borne virus that is more often seen in South America and hasn't been transmitted on the U.S. mainland in ...

A major outbreak of chikungunya virus in China has forced the CDC to issue a travel warning for Americans heading to the country. More than 7,000 cases of the mosquito-borne illness have been reported ...

TikTok, X, and Instagram are flooded with videos about a mysterious “2025 throat virus” that’s making everyone sick. The illness causes a host of debilitating symptoms including runny nose, congestion ...