The Missouri Department of Health and Senior Services reported 11 measles cases in 2026 to date: Benton 3, Greene 3, Boone 1, Franklin 1, Jackson 1, St. Louis County 1, plus one in Kansas City (an independent city jurisdiction).
Ohio's measles cases spread to four more counties in the latest ODH update: 206 cases across 20 counties as of Oct. 1, with 10 new cases in the past week (Akron Beacon Journal, Oct. 2).
North Dakota had 38 confirmed measles cases in 2026 but no reported case since May, per the North Dakota Monitor (Oct. 2), which also reported a possible measles exposure on Amtrak and at the Minot train station.
Iowa Health and Human Services reported 39 total measles cases in 2026 to date, updated Oct. 2. Cases are tracked by multi-county HHS district rather than by county.
Indiana recorded 24 measles cases in 2026 as of Sept. 30, per the Indiana Department of Health: Switzerland and Wayne counties 6 each, Parke 4, Adams 3, and Allen, DeKalb, LaGrange, Ohio and Randolph 1 each. Unvaccinated Fort Wayne Zoo visitors faced a 21-day quarantine after a Sept. 27 exposure.
Pennsylvania health officials report five measles-associated deaths in the state's 2026 outbreak. The CDC's national tally lists two US measles deaths for 2026, reflecting a methodology change in how the agency classifies measles deaths.
South Carolina's measles outbreak, which totaled 997 cases across 2025 and 2026, was declared over on April 27, 2026. The CDC lists 670 South Carolina cases in 2026.
Pennsylvania's measles outbreak reached 977 confirmed cases as of October 2, with 195 hospitalizations and a fifth measles-associated death, an unvaccinated Lancaster County resident. Lancaster County accounts for 391 cases. The outbreak spans 39 counties; more than 99 percent of cases are in unvaccinated or undervaccinated people.
Wisconsin health officials reported 243 measles cases in 2026 as of October 2, with 29 added in a single day. Cases span eight counties, led by Lafayette (86), Iowa (74) and Grant (56). Local health staff say the confirmed count likely undercounts the true number of infections.
The CDC reported 3,887 confirmed measles cases in the United States as of October 1, 2026, an increase of 228 cases (6.2%) from the prior week. Cases were reported by 47 jurisdictions. There have been 42 outbreaks in 2026, and 95 percent of confirmed cases are outbreak-associated.
The Kentucky Department of Public Health confirmed 82 measles cases across 11 counties: Christian 36, Trigg 19, Washington, Carroll and Barren 5 each, Jessamine 4, Caldwell, Lewis and Owen 2 each, Todd and Trimble 1 each (Mountain Eagle, Sept. 30).
Georgia DPH confirmed measles in five siblings from one Jasper County family, raising the state's 2026 total to 21 confirmed cases as of Sept. 30 — more than double Georgia's 2025 total of 10. The family cases were not connected to the Cobb County daycare outbreak.
Utah DHHS reported 527 measles cases among Utah residents in 2026 to date as of Sept. 29 — with zero diagnosed in the last three weeks. (2025 saw 197 cases.)
Minnesota reported 18 measles cases in 2026 as of late September, per CDC statistics cited by the Root River Current — including the state's 18th case, an unvaccinated adult in Fillmore County.
The Pan American Health Organization is expected to review the United States' measles elimination status in November 2026. The US has held the status since 2000. With 3,887 confirmed cases as of October 1, 2026 is the worst US measles year in more than 30 years.
Kentucky's statewide measles count climbed to 67 in 2026, per the Cabinet for Health and Family Services (WBKR, Sept. 25). Four Jessamine County cases are not part of the current outbreak; 7 hospitalized, no deaths.
NBC Chicago reported 23 confirmed measles cases in Illinois in 2026, including a second confirmed case in Kane County — a vaccinated individual diagnosed after contact with the initial patient. IDPH also listed exposure locations including Chicago Union Station.
The Illinois Department of Public Health reported 23 confirmed measles cases in Illinois in 2026 to date, mainly driven by an outbreak in Douglas and Moultrie Counties (16 cases).
Philadelphia health officials announced two possible measles exposures: at Children's Hospital of Philadelphia on September 11 and at Philadelphia International Airport on September 13-14. As of September 23, no measles cases had been reported in Philadelphia County, according to the state dashboard.
New Jersey had one confirmed measles case in 2026 — an April case in a Hudson County resident — and NJDOH reported no active exposure locations in the state, even as Pennsylvania's outbreak grew next door.
California had reported 59 measles cases across 13 counties in 2026 as of Sept. 14, according to CDPH. About 94% of cases were in unvaccinated people or those with unknown status. Health officials warned an unvaccinated person with measles traveled through six counties.
MedicalDaily reported New York's statewide total at 57 cases as of Sept. 12, with Steuben County leading at 10, followed by Seneca County with 9 and Otsego County with 7.
Arizona had 123 measles cases as of Sept. 15, per ADHS. A measles exposure at a Scottsdale Walgreens marked Maricopa County's 28th case of the year (azcentral, Sept. 17).
Three new measles cases were found in Collier County in the September 6-12 report week, bringing Collier's 2026 total to 113 (including the 107-case Ave Maria University outbreak) and Florida's statewide total to 161 (Naples Daily News, Sept. 17).
NYSDOH dashboard data as of Sept. 17: Steuben County led with 10 confirmed cases, Otsego County had 7, and Montgomery County had a single confirmed case (Q1057).
An unvaccinated adult in Fillmore County was confirmed with measles — Minnesota's 18th case of 2026, via domestic transmission (KROC-AM, Sept. 17).
Maryland confirmed 40 measles cases in 2026, per the state health department. Health officials issued an exposure warning after a person with measles visited several spots in Ocean City.
The Texas Department of State Health Services reported 192 measles cases in 2026 as of Sept. 16, across 14 counties: Hudspeth 136 (a subset among individuals in federal detention facilities), El Paso 24, Harris 7, Rockwall 6, Bandera 5, Montgomery 4, and eight counties with 1-2 cases each.
Maine CDC confirmed a measles case on Sept. 15, 2026 — an unvaccinated adult from Somerset County — bringing the state's 2026 total to 6, following five cases confirmed in February.
KDHE data show Kansas recorded two measles cases in 2026 — one in September, one in May, both in northeast Kansas and both associated with domestic travel. KDHE urged healthcare providers to be on alert for measles.
Colorado recorded 25 measles cases in 2026 as of Sept. 16, per CDPHE data: 22 unvaccinated, 1 unknown status, 7 hospitalized. Colorado Public Radio reported potential exposures in Boulder, Westminster and Lafayette.
As of Sept. 12, New York reported 57 measles cases in 2026: 6 in New York City and 51 in the rest of the state, per NYSDOH's new weekly measles dashboard.
The Tennessee Department of Health confirmed five more cases in the East Tennessee region in its Sept. 11 report, bringing the state total to 9 cases in 2026 (WVLT, Sept. 14). TDH reports by health region rather than county.
An unvaccinated child in Valencia County tested positive for measles, bringing New Mexico's 2026 total to 19 cases, the state Department of Health announced Sept. 10. Exposure sites in Belen were listed.
Georgia DPH confirmed two additional measles cases associated with the outbreak at a metro Atlanta daycare, bringing the outbreak total to 10 cases as of Sept. 11 (District 4 Public Health).
Oregon had 50 confirmed measles cases in 2026, per the Oregon Health Authority (Statesman Journal, Sept. 2).
As of 10:00 am on August 21, 2026, five cases of measles were reported in 2026 among Montana residents, per the MT DPHHS dashboard (via The Montanian).
The Maryland Department of Health declared a measles outbreak in St. Mary's, Carroll and Cecil counties on Aug. 24. County totals: St. Mary's 13, Carroll 8, Cecil 5, Charles 1, Anne Arundel 2, Prince George's 1 (via the Maryland Association of Counties, quoting MDH).
Connecticut's third measles case of 2026 — its highest annual total since 2019 — was confirmed by the Department of Public Health. Cases two and three were Hartford County adults; the first case's county was not identified.
Virginia health officials declared an end to the state's 2026 measles outbreak in Buckingham and Cumberland Counties. The outbreak totaled 154 cases since May 5, with the last confirmed case on June 29. Four people were hospitalized; no deaths were reported.
Oklahoma reported only one measles case in 2026 — reported in Norman during the week of January 26, per The Oklahoman (Aug. 6).
Michigan accounted for 14 measles cases in 2026, including 11 associated with spring outbreaks in Washtenaw and Ottawa counties, per state health officials (Tribune News Service via the Record-Eagle).
Delaware's Division of Public Health reported two additional measles cases, totaling four in 2026 — the state's first cases in over a decade, prompting an outbreak declaration on July 22. All four cases were unvaccinated adult men in Kent County.
The West Virginia Department of Health confirmed a case of measles in an unvaccinated Barbour County resident — the state's 2026 case (Hometown News, July 28).
South Dakota confirmed its 11th measles case of 2026 — a child in Edmunds County. Six cases were confirmed in Grant County, three in Brookings, one in Brown and one in Edmunds (South Dakota Searchlight).
Florida's measles cases hit a record high in July 2026, with 155 cases statewide as of July 18 across 16 counties, per FL Dept of Health data (Naples Daily News, July 24). Collier County led with 107 cases.
The Alabama Department of Public Health confirmed a measles case in an Alabama resident currently residing and working outside the state, with no known public exposures in Alabama. ADPH reminded travelers to stay up to date on MMR vaccination.
Washington DC reported one measles case in 2026, per USA Today, with no ongoing transmission reported. DC Health identified the case around April 30, with exposure notifications in June.
Eastern Idaho Public Health reported a measles case in Teton County — the tenth case in Idaho in 2026. The patient was a vaccinated adult exposed to a known case, with an exposure at Broulim's Grocery in Driggs on July 6.
The Wyoming Department of Health confirmed two additional measles cases in Teton County, bringing the statewide total to six in 2026 (Rocket Miner, July 14). Five cases were in Teton County and one in Fremont County.
By health district and including 2025 and 2026, Utah's measles cases stacked up: Utah County 114, Salt Lake County 63, Tooele 19, Davis 15, Wasatch 12, Summit 5, San Juan 3 (Gephardt Daily, June 30).
The Washington State Department of Health reported 45 measles cases in 2026 as of May 22: Snohomish 14, Clark 8, Kittitas 7, Walla Walla 7, King 3, Stevens 3, Grant 2, Spokane 1.
The Rhode Island Department of Health announced a second measles case of 2026 on April 25, unrelated to the case announced the prior week (April 18, Providence County). The second case's county of residence was not identified.
The Louisiana Department of Health confirmed the state's first measles case of 2026: a pediatric patient in Region 1 (Jefferson, Orleans, Plaquemines, St. Bernard parishes) exposed during international travel, with exposure sites in Kenner on April 17.
Macomb County's first measles case was Michigan's 10th of 2026. Washtenaw County had an outbreak involving seven people; single cases were identified in Monroe and Ottawa counties (Detroit Free Press, Apr. 23).