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South Carolina Measles Outbreak Linked to Low Vaccination Rates

Greenville, SC - March 17th, 2026 - A concerning measles outbreak currently impacting Greenville, Spartanburg, and Anderson counties in upstate South Carolina is serving as a stark reminder of the importance of vaccination. The South Carolina Department of Health and Environmental Control (DPH) revealed today that the vast majority of those infected in the outbreak are unvaccinated, underscoring the effectiveness of the measles, mumps, and rubella (MMR) vaccine in preventing the highly contagious disease.

Dr. Susan Reynolds, spokesperson for the DPH, reiterated the agency's urgent plea for residents to ensure they and their families are up-to-date on vaccinations. "Measles is incredibly contagious - far more so than many people realize. Vaccination remains the most effective defense, not just for individual protection, but for safeguarding the health of our entire community," she stated. "We are seeing firsthand the consequences of declining vaccination rates, and it's a situation we want to address immediately."

While the United States declared measles elimination in 2000, sporadic outbreaks continue to occur, primarily linked to travelers returning from countries where measles is still prevalent and, increasingly, within communities experiencing lower-than-recommended vaccination coverage. This recent outbreak in upstate South Carolina fits this pattern. The DPH is actively investigating the source of the infection, hoping to pinpoint the initial case and trace the contacts to limit further spread. The investigation is complicated by the high transmissibility of the virus; measles can spread through the air when an infected person coughs or sneezes.

The current outbreak raises broader questions about vaccination hesitancy and access to healthcare. While access to vaccines is generally available through healthcare providers and local health departments, barriers such as cost (though many insurance plans cover vaccinations and programs exist to assist those without insurance), transportation, and misinformation can contribute to lower vaccination rates. The DPH is working with community organizations and healthcare providers to address these barriers and increase vaccine confidence.

Measles symptoms typically begin with a high fever, cough, runny nose, and conjunctivitis (red, watery eyes). A characteristic rash then appears, usually starting on the face and spreading to the rest of the body. Individuals experiencing these symptoms are urged to immediately contact their healthcare provider before visiting a doctor's office or emergency room. This allows medical professionals to take appropriate precautions to prevent the spread of the virus to others.

Beyond the immediate health risks associated with measles - which can include pneumonia, encephalitis (brain swelling), and even death - outbreaks place a significant strain on healthcare systems. The need to isolate patients, conduct contact tracing, and provide supportive care diverts resources from other critical health services. This is particularly concerning as the healthcare system continues to navigate challenges related to other infectious diseases and ongoing recovery from the COVID-19 pandemic.

Public health experts emphasize that herd immunity - the protection conferred upon unvaccinated individuals when a large percentage of the population is immune - is crucial to preventing measles outbreaks. To achieve herd immunity, approximately 95% of the population needs to be vaccinated. The current vaccination rates in some upstate South Carolina communities fall short of this threshold, creating a vulnerability to outbreaks like the one currently unfolding.

The DPH strongly encourages anyone unsure of their vaccination status to check their records or contact their healthcare provider. Vaccination is recommended for all individuals, regardless of age, with a few exceptions (e.g., infants too young to be vaccinated, individuals with specific medical conditions preventing vaccination). The MMR vaccine is safe and effective, and has been rigorously tested and monitored for decades. Resources and information are readily available on the DPH website ([ https://www.scdhec.gov/ ]) and from the Centers for Disease Control and Prevention (CDC). This outbreak serves as a critical wake-up call: vaccination is not just a personal health decision, but a vital act of community responsibility.


Read the Full Fox Carolina Article at:
[ https://www.foxcarolina.com/2026/03/17/dph-most-people-infected-upstate-measles-outbreak-were-unvaccinated/ ]