Viruses

Health February 25

Flu season could linger into spring as doctors warn of second wave on the way

The 2025-26 flu season could continue into spring with unusual persistence and high severity. A new H3N2 variant is causing serious illness in children, a doctor says.

Health February 21

Hidden virus inside gut bacteria linked to doubled colorectal cancer risk, study finds

Scientists discover hidden virus in gut bacteria that may be linked to colorectal cancer development, offering new insights into cancer research.

Travel February 17

Urgent warning issued by CDC as chikungunya virus outbreak hits vacation destination

CDC issues level 2 travel warning for Bolivia as chikungunya virus outbreak spreads rapidly in Santa Cruz and Cochabamba departments with rising cases.

Health February 16

Largest measles outbreak in recent history reported on southwestern Florida college campus

A historic measles outbreak has hit Ave Maria University in Florida with over 40 infections, marking the largest wave of college campus infections in recent history.

Health February 6

Measles outbreak poses risk of 'irreversible' brain damage, health officials warn

South Carolina health officials warned of "irreversible" neurological damage after a measles outbreak hospitalized 19 patients with dangerous complications.

Health February 3

Measles exposure risk identified at major airport and theme park, health officials warn

Health officials warn of potential measles risk at LAX and Disneyland after international traveler's visit. Here's what to know about windows of exposure.

Health February 1

How long you’re contagious with the flu — and when it’s safe to go out

How long are you contagious with the flu? Experts say you can spread the virus for five to seven days after symptoms start, sometimes longer for children and adults.

Travel January 26

Airports launch COVID-style health checks after outbreak of deadly virus

Asian countries have implemented health alerts after Nipah virus cases were reported in India. Travel screening and prevention measures have been activated across the region.

Health January 22

Can the flu shot actually give you influenza? Doctors set the record straight

Medical experts debunk flu shot myths: vaccines use inactive virus that cannot cause illness. Discover what side effects actually mean for your immunity.

Health January 19

Measles outbreak reaches a major South Carolina college campus

Measles outbreak reaches Clemson University as South Carolina reports 558 confirmed cases. Student isolated as health officials conduct contact tracing.