Measles Cases

• Virginia has expanded a measles outbreak from Buckingham County to include Cumberland County as of June 25. • Statewide confirmed cases have now reached 129 in 2026, prompting the Virginia Department of Health (VDH) to issue guidance for residents and visitors. • This expansion indicates a growing public health threat, necessitating increased vigilance and adherence to vaccination and safety protocols.

• As of June 18, 2026, a measles outbreak in the U.S. has reached 2,104 confirmed cases across 41 different jurisdictions. • The CDC has issued a warning that increased summer travel may accelerate the spread of the virus, posing a significant risk to families. • This surge highlights a critical public health challenge as officials urge vaccination and awareness to contain the outbreak.

Outbreak driven by falling vaccination and misinformation as federal public health cuts hamper state responseThe US has recorded more than 2,000 confirmed measles cases so far this year – near the total of 2,228 recorded in all of 2025, and on track to become the worst year for measles in decades as states struggle with the loss of federal funding for public health.The virus continues to spread in unvaccinated and under-vaccinated communities, including among babies too young to be vaccinated, and it reveals the depths of the twin crises of misinformation and public health in the US. Continue reading...

• The CDC confirmed 51 additional measles cases, bringing the nationwide U.S. outbreak to 1,893 infections as of May 16, 2026. • The agency said all but nine cases were locally acquired, 27 outbreaks have been reported this year, and 92% of patients were unvaccinated or had unknown vaccination status. • The outbreak is significant because measles spreads quickly in under-vaccinated communities, and the U.S. is now on pace to exceed last year’s 2,288 cases if transmission continues.

• As of April 30, 2026, the US reported 1,814 confirmed measles cases, including 12 among international visitors, per CDC data updated May 1. • 93% of cases (1,688) are outbreak-associated, with 25 new outbreaks in 2026 following 24 earlier ones. • This surge underscores ongoing vaccination gaps, contributing to public health challenges amid 2,288 cases in 2025.

• South Carolina health officials ended the nation's largest measles outbreak after six months, with 997 infections and 21 hospitalizations but no deaths. • The outbreak concluded Sunday following over a month without new cases. • This marks a significant public health milestone amid rising national vaccination concerns.

• Public health officials confirmed two cases of measles in Sacramento County, California, amid ongoing monitoring for potential spread. • The cases highlight persistent risks despite national vaccination efforts, with officials urging unvaccinated residents to seek immunization. • Measles outbreaks underscore gaps in herd immunity, particularly in localized communities, prompting heightened surveillance statewide.