Unvaccinated New Mexico resident tests positive for measles after dying

In early March 2025, the New Mexico Department of Health (NMDOH) announced that an unvaccinated adult resident of Lea County tested positive for measles posthumously. This marks the state’s first potential measles-related death in over four decades. The individual had not sought medical care prior to their passing, and while the official cause of death remains under investigation by the New Mexico Office of the Medical Investigator, the NMDOH’s Scientific Laboratory confirmed the presence of the measles virus.

Measles Outbreak in the Southwest

This incident is part of a broader measles outbreak affecting the Southwestern United States, particularly Texas and New Mexico. As of March 7, 2025, Texas has reported 198 confirmed cases, while New Mexico has documented 30 cases, bringing the total to 228. The outbreak has predominantly impacted unvaccinated individuals, with a significant number of cases among children and teenagers.

Vaccination Rates and Community Impact

Despite overall high vaccination rates in Texas and New Mexico—94.3% and 95% among kindergarteners, respectively—certain communities exhibit lower coverage. Notably, the outbreak’s epicenter includes a large Mennonite community in Gaines County, Texas, known for lower vaccination rates due to religious beliefs. This underscores the critical importance of achieving and maintaining high vaccination coverage to prevent such outbreaks.

Public Health Response

In response to the outbreak, health officials in both states have intensified efforts to control the spread of the virus. The NMDOH is organizing community vaccination clinics to increase immunization rates, particularly targeting areas with low coverage. The U.S. Centers for Disease Control and Prevention (CDC) is providing assistance in Texas, focusing on containment strategies and public education campaigns to promote vaccination.

Measles: A Highly Contagious Disease

Measles is a highly contagious respiratory illness that can lead to severe complications. Approximately one in five cases requires hospitalization, and about three in every 1,000 cases result in death. The disease is preventable through the Measles, Mumps, and Rubella (MMR) vaccine, which is typically administered in two doses during childhood. High vaccination coverage is essential to maintain herd immunity and prevent outbreaks.

National Implications

The current outbreak has reignited discussions about vaccine hesitancy and the consequences of declining vaccination rates. Public health officials emphasize the importance of adhering to vaccination schedules to protect both individual and community health. The resurgence of measles in the United States serves as a stark reminder of the disease’s potential severity and the critical role of vaccines in preventing such public health crises.

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