International Vaccine Access Center
Coverage of International Vaccine Access Center in the Nexus archive.
- Measles cases have reached a 35-year high
Measles cases in the U.S. have reached a 35-year high, surpassing 2025's totals with 2,318 confirmed cases as of July 23, 2026, primarily affecting unvaccinated individuals. Cases are concentrated in 44 states and DC, with South Carolina and Utah reporting the most cases, driven by declining vaccination rates below the 95% threshold needed to prevent outbreaks.
- Measles cases have reached a 35-year high
Measles cases in the U.S. have reached a 35-year high, surpassing 2025 totals with 2,318 confirmed cases as of July 23, 2026. The outbreak is linked to declining vaccination rates below the 95% threshold needed to prevent outbreaks in 44 states and D.C., with South Carolina and Utah reporting the most cases.
- Measles cases have reached a 35-year high
Measles cases in the U.S. have reached a 35-year high, surpassing 2025 totals with 2,318 confirmed cases as of July 23, 2026, affecting 44 states and D.C. Declining vaccination rates below the 95% threshold in most states, including South Carolina, Utah, Texas, Virginia, and Pennsylvania, have contributed to the outbreak, with the Pan American Health Organization considering revoking the U.S.'s measles elimination status.
- Measles cases have reached a 35-year high
Measles cases in the U.S. have surpassed 2025 levels to reach a 35-year high, with 2,318 confirmed cases as of July 23, 2026, primarily affecting unvaccinated individuals under 20. Cases are concentrated in 44 states and D.C., with the highest numbers in South Carolina, Utah, Texas, Virginia, and Pennsylvania, driven by vaccination rates below the 95% threshold needed to prevent outbreaks.
- Measles cases have reached a 35-year high
Measles cases in the U.S. have reached a 35-year high, surpassing 2025 numbers with 2,318 confirmed cases as of July 23, 2026, driven by declining vaccination rates. Outbreaks are reported in 44 states and DC, with the most cases in South Carolina, Utah, Texas, Virginia, and Pennsylvania, many of which have vaccination rates below 95%.
- Measles cases have reached a 35-year high
Measles cases in the U.S. have surpassed 2025 totals, reaching 2,318 confirmed cases as of July 23, 2026, the highest since the disease was declared eliminated in 2000. Most cases (93%) involve unvaccinated individuals, with vaccination rates in 44 states and D.C. below the 95% threshold needed to prevent outbreaks. The Pan American Health Organization may review the U.S. measles elimination status in November.