New York’s temporary measles emergency expands vaccination and testing authority as officials report 108 cases, including 92 reported since July 15 in under-immunized rural communities across 18 counties.
CDC data show a record kindergarten exemption rate, MMR coverage below its community-immunity benchmark and continued measles activity nationwide.
Pennsylvania reported two measles-associated deaths as U.S. cases passed 2025’s total and kindergarten MMR coverage fell to 92.4%.
Pennsylvania’s two measles-associated deaths and 460 cases show why health officials pair confirmed counts with models that adjust for reporting delays.
Kentucky reported 25 current measles cases and 29 total cases in 2026 as of Aug. 27. Here is what exposed residents and families should do next.
Two unvaccinated Lancaster County residents died in measles-associated cases as Pennsylvania expands vaccination clinics, school outreach and guidance statewide.
Delaware reports 22 confirmed measles cases, all in Kent County. Residents should check MMR records and call ahead before seeking care.
WHO and UNICEF say childhood vaccination coverage improved modestly in 2025, but global DTP coverage remained below 2019 levels and measles protection stayed far short of the level needed to prevent outbreaks.
A Maricopa County notice identified a possible measles exposure at the Surprise Walmart on July 12 and gave visitors vaccination, symptom and call-ahead guidance.
Polk County’s 21-day monitoring window ended July 26, and officials said the exposure did not create an ongoing outbreak risk. Here are the symptoms, precautions and vaccination steps for Des Moines residents.
Samples collected July 7 and July 9 at Sedona’s wastewater treatment plant tested positive for measles virus. Officials say the finding is a surveillance signal—not a case count, identified patient or confirmed Sedona outbreak.
CDC data show 2,371 confirmed U.S. measles cases in 2026, already above 2025’s total, as outbreaks and lower vaccination coverage raise back-to-school concerns.
Alaska officials detected wild-type measles RNA in Anchorage wastewater samples collected July 7, 8, 9 and 14, but said the finding is not a confirmed human case or proof of transmission.
Very low levels of measles-virus RNA were found in Anchorage wastewater samples collected July 7–14. Alaska officials say the signal does not confirm a case, transmission or an outbreak.
Delaware declared a statewide measles outbreak July 22, 2026, after confirming a second positive case. Health officials urged unvaccinated residents to seek vaccination.
Connecticut health officials reported a second confirmed measles case of 2026 on June 29, involving a Hartford County resident exposed through an earlier identified case.
Delaware’s Division of Public Health reported two additional positive measles cases on July 22, bringing the statewide reported total to four and prompting renewed vaccination messaging.
Polk County health officials confirmed measles in a vaccinated resident who recently traveled internationally and advised people at listed exposure sites to complete a survey and monitor for symptoms.
Delaware declared a measles outbreak on July 22 after reporting four confirmed cases. Here is what the response changes and what residents should do after exposure.
Ashtabula County health officials are tracking potential measles exposures at three locations and urging people to check immunity records and call ahead for care.
Clark County reports seven measles cases since July 22 and warns unvaccinated people may be at risk after a July 17 Salmon Creek clinic exposure.
Maricopa County says people may have been exposed to measles at Chase Field and a South Phoenix IHOP, with monitoring deadlines of Aug. 2 and Aug. 3.
