Measles Cases Surge Across Thirty U.S. States Amid Rising Summer Travel
Saturday, May 17, 2025
As millions of Americans prepare to travel this summer, the United States is grappling with a significant surge in measles cases.
According to the , the number of confirmed measles infections has reached nationwide in 2025, a worrying increase that is compounded by multiple active outbreaks across the country.
Nationwide Spread and Active Outbreaks
Measles cases have been confirmed in , with . These states include Texas, New Mexico, Oklahoma, Kansas, Indiana, Michigan, Montana, North Dakota, Ohio, Pennsylvania, and Tennessee.
Texas remains the epicenter of the outbreak, reporting over this year, according to the department. This figure highlights the severity of the situation, as Texas alone accounts for the majority of U.S. measles cases in 2025.
The Impact of Increased Travel on Measles Spread
The rise in measles cases coincides with a significant increase in summer travel, raising concerns about further virus transmission. The projects that more than will travel during the Memorial Day holiday weekend, including approximately .
Former CDC acting director, , emphasizes the challenges of containing infectious diseases during such times: “One thing about infectious diseases, they don’t respect borders. So, measles will travel.” The highly contagious nature of measles means that as people move across the country and internationally, the virus can spread rapidly if adequate precautions are not taken.
Severity of the Outbreak: Hospitalizations and Deaths
The 2025 measles outbreak is not only notable for the rising case numbers but also for its severity. The CDC reports due to measles this year, surpassing the total hospitalizations recorded during all of 2024.
Tragically, there have also been from measles in the U.S. this year. These figures underscore the potential severity of measles infections, which can lead to serious complications, particularly among young children, the elderly, and immuno-compromised individuals.
How Measles Spreads and Prevention Strategies
Measles is caused by a highly contagious virus that can remain infectious in the air for up to , making transmission in crowded places such as airports, public transport, and mass gatherings a significant risk.
The strongly advocates vaccination as the most effective method to prevent measles infection. The recommended (measles, mumps, rubella) requires two doses to provide approximately against the virus.
, virologist and professor at , stresses that vaccinated individuals face very little risk from the current outbreaks, while unvaccinated people remain highly susceptible to infection.
Declining Vaccination Rates and Vaccine Hesitancy
A concerning factor exacerbating the measles resurgence is the decline in vaccination coverage. Data from the CDC indicates that during the , of kindergarteners received the MMR vaccine, a drop from in the .
This decline reflects growing vaccine skepticism and misinformation, which public health officials warn could undermine herd immunity and facilitate the spread of vaccine-preventable diseases like measles.
Dr. Besser highlights the community implications of individual vaccination choices: “While it’s a personal decision to vaccinate, that personal decision not only affects you and your child. It affects your neighbors. It affects others in your family, and that is what is so concerning.”
Government and Public Health Responses
Federal and state public health agencies continue to monitor outbreaks closely and respond with targeted vaccination campaigns, educational outreach, and travel advisories.
The CDC’s official measles webpage offers up-to-date information on current outbreaks, vaccination recommendations, and guidance for travelers. It emphasizes that anyone planning travel, especially to areas with known outbreaks, should ensure they are fully vaccinated.
Similarly, state health departments, such as Texas Health and Human Services, provide localized alerts and vaccination clinic information to contain the virus’s spread.
Protecting Yourself and Your Community This Summer
The CDC and other public health experts urge travelers and families to take the following precautions:
As summer travel reaches new heights in 2025, the resurgence of measles across the United States poses a significant public health challenge. With over 1,000 confirmed cases spanning 30 states and severe consequences including hospitalizations and deaths, the CDC underscores vaccination as the cornerstone of prevention.
Travelers and communities alike must heed vaccination advice and maintain vigilance to curb the spread of this highly contagious disease. Government agencies continue to provide resources and support to safeguard public health, emphasizing that measles prevention is a shared responsibility.