Measles Used to Be in Our Rearview Mirror. Now Cases Are Reaching Record Highs.

**U.S. Measles Cases Hit Highest Level Since 1991 as Vaccination Concerns Grow**

The United States has recorded more measles cases in the first seven months of this year than in any full year since 1991, according to data from the Centers for Disease Control and Prevention (CDC). As of July 23, over 4,850 infections have been reported since the beginning of 2023, surpassing last year’s total, which had already marked a three-decade high. Three deaths have been confirmed, including two unvaccinated children in West Texas.

Measles, a highly contagious and preventable disease, was once considered eliminated in the U.S. due to widespread vaccination efforts. However, declining immunization rates have led to its resurgence. Health experts warn that the current outbreak signals broader vulnerabilities in the nation’s public health infrastructure, leaving communities at risk for other vaccine-preventable diseases.

The CDC and other health authorities have long emphasized the safety and effectiveness of the measles, mumps, and rubella (MMR) vaccine. Despite this, skepticism about vaccines has grown, fueled in part by misinformation and shifting government policies. Under the current administration, federal health agencies have faced criticism for decisions that some experts say undermine confidence in immunization programs.

Robert F. Kennedy Jr., the secretary of the Department of Health and Human Services (HHS), has been a prominent figure in this shift. Kennedy has publicly questioned vaccine safety, aligning with groups that oppose mandatory vaccination. His stance has raised concerns among public health officials, who fear that policy changes under his leadership could further erode trust in vaccines.

One area of particular concern is the Vaccine Injury Compensation Program (VICP), a federal initiative that provides financial support to individuals who experience rare adverse reactions to vaccines. Kennedy has signaled plans to overhaul the program, which some experts warn could discourage pharmaceutical companies from producing vaccines for the U.S. market. If manufacturers withdraw, even parents who want to vaccinate their children could face shortages.

An HHS spokesperson stated that the agency has not restricted access to vaccines and that Kennedy remains committed to reviewing safety data transparently. However, the spokesperson did not provide details on potential changes to the VICP.

The resurgence of measles has alarmed health professionals, many of whom had never encountered the disease outside of medical textbooks. Doctors in the U.S. and abroad have reported treating unvaccinated children with severe complications, including blindness, deafness, and intellectual disabilities caused by congenital rubella syndrome. In some cases, patients have died from preventable illnesses like diphtheria, which had been nearly eradicated in developed nations.

Public health experts warn that measles outbreaks serve as an early warning sign for other vaccine-preventable diseases. Polio, diphtheria, and rubella could follow if immunization rates continue to decline. A recent analysis by Stanford epidemiologists projected that if vaccines for these diseases became unavailable, tens of thousands of deaths and disabilities could occur over the next 25 years.

The CDC has not yet determined whether measles has become endemic in the U.S. again, meaning it would circulate continuously within the population. Genetic analysis of recent cases suggests widespread transmission, but the agency has stated that genetic data alone cannot confirm endemicity. A comprehensive investigation is ongoing.

The decline in vaccination rates has been attributed to multiple factors, including misinformation spread during the COVID-19 pandemic and political polarization around public health measures. In 2020, reporting revealed that CDC leaders had suppressed an internal assessment warning of high measles risk in areas with low vaccination rates. At the time, the agency stated that the assessment did not provide new information and that vaccines remained the best protection against the disease.

As measles cases continue to rise, health officials urge parents to ensure their children are vaccinated. The MMR vaccine is widely available, often at no cost, and remains the most effective way to prevent outbreaks. Without intervention, experts warn that the U.S. could face a return to the pre-vaccine era, when diseases like measles were a leading cause of childhood death and disability.