The United States is facing its second surge in measles cases. Large outbreaks in Utah, Arizona and South Carolina are continuing to grow. CNN is tracking the cases.

As multiple measles outbreaks simmer across the United States, cases are accumulating nearly as quickly as when the West Texas outbreak was at its peak this spring.

The Centers for Disease Control and Prevention (CDC) today said the United States has 1,912 confirmed measles cases so far in ...

The surging number of measles cases around the world is a stark warning sign that outbreaks of other vaccine-preventable ...

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

The CDC has confirmed 1,723 measles cases as of Nov. 12 — a more than 500% increase from 2024, when 285 U.S. cases were confirmed. The measles outbreak has progressively worsened. Nearly every state ...

South Carolina is the latest state to see a serious measles outbreak, as the U.S. has registered its highest number of cases ...

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

Used for more than 50 years, the combined MMR vaccine is safe and effective at protecting people from measles, mumps and rubella, tests show. The MMR vaccine was combined to make it easier for people ...

Health experts said the nationwide spike in measles cases is likely fueled by falling vaccination rates and more ...

An outbreak of measles on the Arizona-Utah border continues to grow, with the latest data showing 201 cases and eight hospitalizations.

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