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- calendar_today November 11, 2026
Public Health Experts Warn U.S. May Lose Measles Elimination Status
The United States is at risk of losing its measles-free status due to surging case numbers and declining vaccination rates. An independent commission of the Pan American Health Organization (PAHO), composed of eight experts in epidemiology, infectious diseases, and vaccines from throughout the Americas, is set to discuss this possibility in a critical meeting this week.
Sharp Increase in Measles Outbreaks and Cases
Public health officials report a dramatic reversal in efforts to contain measles, the world’s most contagious disease. In 2000, the U.S. recorded approximately 100 confirmed cases, but this year alone, more than 5,000 confirmed cases and 43 new outbreaks have occurred nationwide. Eight people have died, including four infants who were too young to receive the measles, mumps, and rubella (MMR) vaccine.
Vaccination Rates Drop in Vulnerable Communities
An updated analysis from NBC News and Stanford University highlights a concerning decrease in childhood vaccination rates, particularly in the country’s most vulnerable locales. For example, Lancaster County, Pennsylvania, saw MMR vaccination rates among kindergarteners fall to 87.6% in 2025-26, compared to 95.5% prior to the pandemic. To protect communities and prevent the spread of measles, health officials emphasize the importance of maintaining a 95% immunization rate.
Vaccine Misinformation and Public Health Risks
The decline in vaccination coverage has been fueled by decades of scientifically unsupported claims about the dangers of childhood vaccines. The spread of vaccine misinformation accelerated during the pandemic, leading to reduced immunization rates and a rise in exemption requests in schools. These shifts have left many communities more vulnerable to preventable infectious diseases.
Potential Implications of Losing Measles-Free Status
If the U.S. loses its measles elimination status, it would join Canada as the only other country in the region to have lost control of the virus. Public health experts warn that this could pave the way for further outbreaks, illnesses, and deaths, marking a significant setback in the country’s efforts to control the disease. The possible change in status underscores the urgent need for renewed focus on public health, vaccination education, and combating vaccine misinformation.
More Information
Readers can review county-level vaccination maps and trends in school exemption rates for further insight into the current landscape of vaccination coverage in the United States.
Related coverage
Source: nbcnews.com.
