Measles Cases

Authorities in Delaware tackle cluster with vaccination and contract tracing – but field has been weakened by cutsMeasles outbreaks are igniting throughout the United States as the nation passes the highest case count in 30 years – putting greater pressure on state and local health departments and highlighting the importance of early identification and quick action.The US has officially surpassed last year’s tally of measles cases, reaching 2,371 confirmed infections by the end of July. Those numbers have been driven by clusters in Arizona, South Carolina, and Utah – but in times of high transmission, outbreaks elsewhere become more likely. And with decreasing vaccination rates across the country, these sparks are falling on increasingly dry timber. Continue reading...

The latest milestone, a recorded 2,318 infections, makes 2026 the worst year for measles in the US since 1991The US has officially surpassed last year’s record number of measles infections, marking the highest case count since the disease was declared eliminated in 2000.New figures from the US Centers for Disease Control and Prevention (CDC) released Friday show the country has recorded 2,318 measles cases in 2026, overtaking the 2,289 cases reported during all of 2025 – with five months still remaining in the year. The country crossed the 2,000-case threshold last month before climbing even higher in July. Continue reading...

• 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.