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A nationwide measles outbreak is intensifying, with Texas reporting the highest concentration of cases and at least two confirmed child fatalities. Health officials across the country are urging immediate vaccination efforts as the virus spreads to more than 20 states.
As of this week, the Centers for Disease Control and Prevention (CDC) has confirmed 607 measles cases across 22 states, marking the largest U.S. outbreak since 2019. Texas alone accounts for 481 of those cases, including 56 hospitalizations and two deaths—both involving unvaccinated children with no known underlying health conditions, according to the Texas Department of State Health Services.
Neighboring states are also seeing spikes. New Mexico has reported 54 cases, with adults accounting for roughly half. Cases have also been confirmed in Oklahoma and Kansas, sparking regional concerns over further transmission.
The resurgence of measles—a disease once declared eliminated in the U.S.—has been linked to declining vaccination rates. National immunization coverage for the measles, mumps, and rubella (MMR) vaccine stands at 92.7%, just below the herd immunity threshold of 93–95% needed to prevent outbreaks.
“This is not a localized issue,” said Dr. Lisa Martinez, an infectious disease specialist in Houston. “We are seeing the consequences of persistent vaccine hesitancy. Measles is highly contagious, and without robust vaccination coverage, it will continue to spread.”
The outbreak has prompted a shift in public messaging—even from longtime skeptics. Health and Human Services Secretary Robert F. Kennedy Jr., once known for questioning vaccine safety, has publicly encouraged MMR vaccination amid the growing crisis. His agency has deployed federal resources—including emergency vaccines, mobile clinics, and technical assistance—to the hardest-hit areas.
Health officials warn the outbreak could stretch into 2026 without an aggressive public health response.
“We’re seeing avoidable suffering,” said Dr. Martinez. “The measles vaccine is safe, effective, and has saved millions of lives. There is no medical justification for skipping it.”
Efforts are now focused on schools, community centers, and underserved areas, where vaccination rates have declined due to misinformation, lack of access, or both. The CDC continues to monitor the outbreak and is working with state and local partners to prevent further spread.
Measles symptoms include high fever, cough, runny nose, and a distinctive rash. In severe cases, the virus can lead to pneumonia, brain swelling, and death. The MMR vaccine is recommended in two doses: the first at 12–15 months, and the second at 4–6 years of age.
While health officials remain cautious, they say the outbreak is still containable—if the public responds.
“This is a wake-up call,” said Dr. Martinez. “We know how to stop measles. Now it’s a matter of action.”