In Arizona and Utah, an outbreak has ballooned since August. Mohave County, Arizona has logged 172 cases and the Southwest ...

A state epidemiologist said the spike in cases came in the wake of Thanksgiving travel and a lack of vaccinations. At least ...

The outbreak shows no signs of slowing, likely because of the affected area’s “lower-than-hoped-for vaccination coverage,” a ...

Measles outbreaks are spreading across the U.S., and the nation is likely to lose its status as a country where the disease ...

Measles outbreaks are growing along the Utah-Arizona border and in South Carolina, where hundreds are in quarantine.

Scientists are determining whether multi-state outbreaks are linked to the West Texas outbreak that started earlier this year ...

One study estimates that an outbreak the size of the one in West Texas earlier this year costs about $12.6 million.

Mexico has confirmed its first case of influenza A(H3N2) subclade K, a variant commonly referred to as the "super flu," ...

South Carolina health officials say a measles outbreak is growing amid holiday travel and low vaccination rates.

The measles outbreak in South Carolina exposes the social and political roots of vaccine refusal and the broader assault on public health institutions in the United States.

Robert F. Kennedy Jr. has fired experts on the vaccine advisory committee to the CDC and has said, without evidence, that ...

On a typical busy day at the Seminole Family Medical Clinic in Seminole, Texas (population, 7386), Leila Myrick, MD, PhD — who’d moved to the rural town 5 years earlier after graduating from Emory ...