Twenty-five years ago, the World Health Organization and U.S. officials celebrated a WHO declaration that a highly successful vaccination program had officially eliminated measles

The U.S. registered its first death from measles since 2015 this week, as a child who wasn’t vaccinated died in a measles outbreak in rural West Texas. Normally, most U.S.

"If the U.S. withdraws from the WHO, there is more of a chance of outbreaks of diseases like polio and measles," said Dr. Vidhya Prakash, associate dean of clinical affairs and population health and chief medical officer at SIU Medicine in Springfield.

Before the measles vaccine, there were over 30 million cases of the disease worldwide each year.

Thanks to the introduction of a vaccine in 1963, measles was considered eliminated in the US in 2000. Yet the highly contagious disease has reemerged as a threat as declining vaccination rates have fueled outbreaks around the country.

The US has reported its first measles death since 2015 during an outbreak in Texas, highlighting global concerns over declining measles vaccination rates post-COVID-19. Lower vaccination rates have sparked increased cases in several regions,

Los Angeles County has its first confirmed case of the measles amid a growing number of cases in the United States.

Texas faces its worst measles outbreak in years. TTUHSC Dr. Appiah discusses the factors behind the resurgence and the importance of vaccination.

While there are usually cases and even minor outbreaks reported yearly, the 2025 outbreak is on track to be the largest in six years.

The deadly return measles highlights growing gaps in immunization coverage across the US and globally, raising concerns among health officials.

Measles can cause seizures, blindness and death, and children under the age of 5 are particularly vulnerable to complications.