Breaking News – We ended 2025 with at least 2,117 measles cases and three deaths, another record year. (see below).
It was the most cases in a single year since 1992, when we had 2,200 cases.
Note – Measles is also surging in Mexico and Canada.
RFK Jr’s CDC is reporting “a total of 2,144 confirmed* measles cases,” including “a total of 25 measles cases were reported among international visitors to the United States.”
I simply recorded cases from state health dept reports…
The Measles Outbreaks of 2025
Keeping with many early predictions of a big measles year, westarted the year with a big outbreak in Texas!
All together, measles outbreaks and cases in 2025 include:
- an unvaccinated resident of Juneau, Alaska who exposed people on an Alaska Air flight and at Sea-Tac International Airport in Seattle, Washington (Jan 2025)
- a case in a young, unvaccinated child in Rhode Island who got sick with measles while traveling out of the country and required hospitalization (Jan 2025)
- a case in an unvaccinated resident of metro Atlanta who got sick with measles while traveling out of the country (Jan 2025)
- two unvaccinated adults in Houston, Texas who had traveled out of the country
- two unvaccinated children in Gaines County, Texas who required hospitalization (Jan 2025)
- two more cases in unvaccinated residents of metro Atlanta, an outbreak related to a January case (Feb 2025)
- a case in New York City (2025)
- more cases in Gaines County, Texas with the outbreak quickly growing to at least 10 cases, all unvaccinated, and all children, including seven children who were hospitalized (Feb 2025)
- nine more cases in Gaines County, Texas (24 total), all unvaccinated, and mostly children (Feb 2025)
- an unvaccinated teenager in Lea County, New Mexico (Lea County borders Gaines County in Texas) with exposures in Lovington (Feb 2025)
- a resident of Bergen County, New Jersey following international travel with exposures at the Englewood Hospital Emergency Department (Feb 2025)
- a case in California (Feb 2025)
- two adults in Lea County, New Mexico, bringing the case count in the area to 3 (Feb 2025)
- a family of five in Lea County, New Mexico, brining the case count in the area to 8, including 4 children and 4 adults, two of which believe they were vaccinated as children, but others were all unvaccinated (Feb 2025)
- another 12 cases in the South Plains region of Texas, bringing the outbreak total to 58 (Feb 2025)
- another 32 cases in the South Plains region of Texas (Dawson, Ector, Gaines, Lubbock, Lynn, Terry, and Yoakum Counties) with the majority of the cases in unvaccinated (85 of 90) children (77 of 90), including 16 patients who requited hospitalization. (Jan to Feb 2025)
- a case in New York City (Feb 2025)
- a case in Alaska (Feb 2025)
- two more cases, unvaccinated, in New Jersey linked to case first reported in Bergen County (Feb 2025)
- another 34 cases in the South Plains region of Texas (Dallum, Dawson, Ector, Gaines, Lubbock, Lynn, Martin, Terry, and Yoakum Counties) with the majority of the cases in unvaccinated (119 of 124) children (93 of 124), including 18 patients who required hospitalization. (Jan to Feb 2025)
- a death in the South Plains outbreak, an unvaccinated child (Feb 2025)
- an adult in Rockwall County in North Texas (Feb 2025)
- an adult in Kentucky linked to international travel with exposures in Frankfort (Feb 2025)
- a case in Los Angeles, California, a traveler who arrived at the airport while infectious (Feb 2025)
- another 22 cases in the South Plains region of Texas (Dallum, Dawson, Ector, Gaines, Lubbock, Lynn, Martin, Terry, and Yoakum Counties) with few known to be vaccinated with at least one dose (5 of 146) children (116 of 146), including 20 patients who required hospitalization and one death. (Jan to Feb 2025)
- an infant in King County, Washington, with exposures in Bellevue, Seattle, Bothell, and Redmond (Feb 2025)
- an unvaccinated infant in Austin, Texas linked to international travel (Feb 2025)
- an unvaccinated child in Montgomery County, Pennsylvania with exposures in Philadelphia, Plymouth Meeting, and King of Prussia (Feb 2025)
- two unrelated cases in New York City (Feb 2025)
- another 13 cases in the South Plains region of Texas (Dallum, Dawson, Ector, Gaines, Lubbock, Lynn, Martin, Terry, and Yoakum Counties) with few known to be vaccinated with at least one dose (5 of 159) children (127 of 159), including 22 patients who required hospitalization and one death. (Jan to Mar 2025)
- a student at Miami Palmetto Senior High School in Pinecrest, Florida (Mar 2025)
- an unvaccinated adult in Lea County, New Mexico (10 total cases) who died (Mar 2025)
- another 39 cases in the South Plains region of Texas (Dallum, Dawson, Ector, Gaines, Lubbock, Lynn, Martin, Terry, and Yoakum Counties) with few known to be vaccinated with at least one dose (5 of 198) children (153 of 198), including 23 patients who required hospitalization and one death. (Jan to Mar 2025)
- a case in Howard County, Maryland, with exposures at Washington Dulles International Airport and Johns Hopkins Howard County Medical Center Pediatric Emergency Department (Mar 2025)
- another 25 cases in the South Plains region of Texas (Dallum, Dawson, Ector, Gaines, Lubbock, Lynn, Martin, Terry, and Yoakum Counties) with few known to be vaccinated with at least one dose (5 of 223) children (174 of 223), including 29 patients who required hospitalization and one death. (Jan to Mar 2025)
- two cases in Oklahoma that are linked to the outbreaks in Texas and New Mexico (Mar 2025)
- an unvaccinated child in Lamoille County, Vermont related to international travel with exposure at Copley Hospital in Morrisville (Mar 2025)
- an unvaccinated child in Suffolk County, New York with exposures at the pediatric emergency department at Cohen Children’s Medical Center and their inpatient unit (Mar 2025)
- another 23 cases in New Mexico, mostly in Lea County, but also now including a case in Eddy County, mostly unvaccinated and including one hospitalization and one death (Feb to Mar 2025)
- a case in Fresno County, California, with exposures in Fresno and Madera County (Mar 2025)
- a in Philadelphia, Pennsylvania related to international travel, with exposures at CHOP Pediatric Primary Care South Philadelphia, Health Department Health Center #2, the South Philadelphia Library, and CHOP Emergency Department (Mar 2025)
- a case in Stevens County, Kansas (Mar 2025)
- four unvaccinated cases in Lamar County, Texas, a 100 miles northeast of Dallas, as the Texas measles outbreak continues to grow
- another 36 cases in the Texas (Cochran, Dallum, Dawson, Ector, Gaines, Lamar, Lubbock, Lynn, Martin, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (2 of 259) children (201 of 259), including 34 patients who required hospitalization and one death. (Jan to Mar 2025)
- a case in Oakland County, Michigan related to international travel (Mar 2025)
- two cases in Owasso, Oklahoma, with exposures at Kohl’s, Aldi, Walmart, Sam’s Club, Sprouts Farmers Market, and Lowe’s (Feb/Mar 2025)
- an unvaccinated infant in Houston, Texas who required hospitalization and which was related to international travel (Mar 2025)
- four more cases in the New Mexico measles outbreak, bringing the case count to 38 (Feb to Mar 2025)
- another twenty cases in the Texas (Cochran, Dallum, Dawson, Ector, Gaines, Lamar, Lubbock, Lynn, Martin, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (2 of 279) children (208 of 279), including 36 patients who required hospitalization and one death. (Jan to Mar 2025)
- two cases in Tuolumne County, California, with exposures at Summerville High School and Adventist Health Sonora Emergency Department (Mar 2025)
- an adult resident of Snohomish County, Washington, with links to an earlier case in King County
- five more cases in unvaccinated children in Stevens and Grant counties in southwest Kansas (Mar 2025)
- a case in an unvaccinated child in Alabama (Mar 2025)
- a resident of Midland, Texas that is associated with international travel (Mar 2025)
- two Prince George’s County, Maryland related to international travel with exposures at Washington Dulles, Reagan National, Washington Metro Area Transit, Kaiser Permanente Largo Medical Center, and Passport Toyota in Suitland (Mar 2025)
- an unvaccinated adult in Ashtabula County, Ohio related to international travel (Mar 2025)
- another thirty cases in the Texas (Cochran, Dallum, Dawson, Ector, Gaines, Garza, Hale, Hockley, Lamar, Lubbock, Lynn, Martin, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (2 of 309) children (232 of 309), including 40 patients who required hospitalization and one death. (Jan to Mar 2025)
- four new cases in New Mexico, as their outbreak jumps to 42 cases (Feb to Mar 2025)
- four new cases in Kansas, as their outbreak jumps to 10 cases (Jan to Mar 2025)
- a case in Price George’s County, Maryland, with exposures at John Hanson Montessori School in Oxon Hill (Mar 2025)
- a case in Tennessee (Mar 2025)
- another 18 cases in the Texas (Cochran, Dallum, Dawson, Ector, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (2 of 327) children (245 of 327), including 40 patients who required hospitalization and one death. (Jan to Mar 2025)
- a case in Washington, D.C., with exposures on an Amtrak train, at Union Station, and Medstar Urgent Care (Mar 2025)
- another case in New Mexico, bringing their case count to 43
- five new cases in Oklahoma, all unvaccinated and linked to the outbreaks in Texas and New Mexico, bringing their case count to 9
- a case in Minnesota (Mar 2025)
- thirteen more cases in Kansas, bringing their case count to 23
- nine more cases in Ashtabula County, Ohio, bringing their case count to 10
- an adult in Bucks County, Pennsylvania who had recently traveled to Texas (Mar 2025)
- another case in Eddy County, New Mexico, bringing their case count to 44
- another 73 cases in the Texas (Andrews, Cochran, Dallum, Dawson, Ector, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (2 of 400) children (295 of 400), including 41 patients who required hospitalization and one death. (Jan to Mar 2025)
- a case in Fort Bend County, Texas, near Houston, related to international travel (Mar 2025)
- a possible case in a vaccinated and boosted school staff member in Plainview, Texas, with no information on when they had their last dose or the genotype to know if this is just a vaccine reaction (Mar 2025)
- an unvaccinated adult in Pueblo, Colorado, related to international travel (Mar 2025)
- two more cases in Knox County, Ohio, related to international travel (Mar 2025)
- another 22 cases in Texas (Andrews, Brown, Cochran, Dallum, Dawson, Ector, Erath, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (5 of 422) children (309 of 422), including 42 patients who required hospitalization and one death. (Jan to Mar 2025)
- 4 more cases in Lea County, New Mexico, bringing their outbreak total to 48 (Feb to Mar 2025)
- another case in Oklahoma, with exposure at Luigi’s Italian Restaurant & Lounge in Weatherford (Mar 2025)
- a case in Kent County, Michigan, related to international travel, with exposures in Kentwood, Grand Rapids, and Detroit and who had also traveled to New Jersey (Mar 2025)
- 3 more cases in Tennessee, including one that is related to an earlier outbreak (Mar 2025)
- another case in Kansas, bringing their outbreak total to 24
- an infant in Snohomish County, Washington linked to international travel, with exposures in Monroe, Everett, and Seattle (Apr 2025)
- an adult in Riverside County, California, linked to international travel
- another 59 cases in Texas (Andrews, Brown, Cochran, Dallum, Dawson, Ector, Erath, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (10 of 481) children (337 of 481), including
4256 patients who required hospitalization and one death. (Jan to Mar 2025) - 6 more cases in Lea County, New Mexico, bringing their total to 54
- a case in Grapevine, Texas with exposures at Great Wolf Lodge and Grapevine Mills Mall (Mar 2025)
- a case in Finney County, Kansas, linked to out-of-state travel (Mar 2025)
- a second child has died in Texas, an unvaccinated 8-year-old child with no known underlying health conditions
- an unvaccinated child in Allen County, Indiana (Apr 2025)
- an unvaccinated infant in Denver, Colorado, linked to international travel (Apr 2025)
- another 24 cases in Texas (Andrews, Borden, Brown, Cochran, Dallum, Dawson, Ector, Erath, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Randall, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (10 of 505) children (351 of 505), including
425657 patients who required hospitalization andonetwo deaths. (Jan to Apr 2025) - an unvaccinated child on O’ahu, Hawaii, related to international travel, with exposures in Honolulu (April 2025)
- a patient at an army hospital at Fort Bliss in El Paso, Texas (Apr 2025)
- an unvaccinated child in El Paso, Texas (Apr 2025)
- an adult in Colorado who had no history of travel, with exposures in Pagosa Springs (Mar 2025)
- 2 more cases in Lea County and now Chaves, New Mexico, bringing their total to 56
- another 6 cases at a daycare center in Lubbock, Texas (Apr 2025)
- 11 more cases in Knox County, Ohio, bringing their case count to 14 (Mar to Apr 2025)
- 7 more cases in Kansas, as their case count increases to 32
- a case in Montcalm County, Michigan
- 5 more cases in Allen County, Indiana, bringing their case count to 6, including four unvaccinated children (Apr 2025)
- a case in Philadelphia, Pennsylvania, linked to international travel, with exposures in Philadelphia and Meadowbrook (Apr 2025)
- an unvaccinated child in Saline County, Arkansas, liked to out of state travel, with exposures in Benton and Little Rock (Apr 2025)
- an unvaccinated child in Faulkner County, Arkansas, with exposures in Conway and Little Rock (Apr 2025)
- another 30 cases in Texas (Andrews, Borden, Brown, Cochran, Dallum, Dawson, Ector, El Paso, Erath, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Randall, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (11 of 541) children (374 of 505), including
4256 patients who required hospitalization andonetwo deaths. (Jan to Apr 2025) - 2 more cases in Lea County, New Mexico, bringing their total to 58
- a visitor to Lancaster County, Pennsylvania, who got sick while visiting Texas, with exposures in Ephrata (Apr 2025)
- two more cases in Erie County, Pennsylvania (Mar to Apr 2025)
- two more cases in Oklahoma, with exposures in Oklahoma City, bringing their case count to 12 (Mar to Apr 2025)
- a 1-year-old in Ingham County, Michigan, linked to out of state travel, with exposures in Okemos, Lansing and East Lansing, including on the Michigan State University campus (Apr 2025)
- a case in Washington, D.C. (Apr 2025)
- another 20 cases in Texas (Andrews, Borden, Brown, Cochran, Dallum, Dawson, Ector, El Paso, Erath, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Randall, Reeves, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (11 of 561) children (381 of 561), including
425658 patients who required hospitalization andonetwo deaths. (Jan to Apr 2025) - 5 more cases in Lea County and now Doña Ana, New Mexico, bringing their total to 63
- 5 more cases in Kansas, bringing there case count to 37
- 2 more cases in Montcalm County, Michigan
- 5 more cases in El Paso, Texas, where unvaccinated kids are being kept out of school and daycare
- 2 more cases in middle Tennessee (Apr 2025)
- 19 cases in Upshur County, in East Texas, originally linked to two people who had visited from out of state (Apr 2025)
- a case in Washington, related to international travel, with exposures in Seattle and Tukwila (Apr 2025)
- another case in Hawaii, an adult member of the child diagnosed a few weeks ago (Apr 2025)
- 5 cases in Gallatin County, Montanna, all unvaccinated (Apr 2025)
- a case in Collin County, in North Texas, with exposures in Plano (Apr 2025)
- another 36 cases in Texas (Andrews, Borden, Brown, Cochran, Dallum, Dawson, Ector, El Paso, Erath, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Parmer, Potter, Randall, Reeves, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (22 of 597) children (401 of 597), including
42565862 patients who required hospitalization andonetwo deaths. (Jan to Apr 2025) - 6 more cases in Ohio
- a child in Taney County, Missouri, linked to international travel (Apr 2025)
- a child in Virginia, linked to international travel, with exposures in Woodbridge and Fredericksburg (Apr 2025)
- an unvaccinated adult in Louisiana, linked to international travel (Apr 2025)
- another 27 cases in Texas (Andrews, Bailey, Borden, Brown, Cochran, Dallum, Dawson, Ector, El Paso, Erath, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Parmer, Potter, Randall, Reeves, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (22 of 624) children (422 of 624), including
4256586264 patients who required hospitalization andonetwo deaths. (Jan to Apr 2025) - 2 more cases in Lea County, New Mexico, bringing their total to 65
- another case in New Orleans, Louisiana
- an unvaccinated infant in King County, Washington, related to international travel (Apr 2025)
- an unvaccinated adult near San Antonio, Texas with exposures in Poteet (Apr 2025)
- a middle school student in Collin County, Texas
- another case in Denver, Colorado, an adult contact of the previous case (Apr 2025)
- an adult in southern Illinois
- a toddler in Ingham County, Michigan, linked to exposure to another case
- six more cases in Knox County, Ohio, bringing the count there to 20
- another 22 cases in Texas (Andrews, Bailey, Borden, Brown, Cochran, Dallum, Dawson, Ector, El Paso, Erath, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Parmer, Potter, Randall, Reeves, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (28 of 646) children (434 of 646), including
4256586264 patients who required hospitalization andonetwo deaths. (Jan to Apr 2025) - a child in Kentucky
- another 17 cases in Texas (Andrews, Bailey, Borden, Brown, Cochran, Dallum, Dawson, Ector, El Paso, Erath, Gaines, Garza, Hale, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Parmer, Potter, Randall, Reeves, Terry, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (28 of 646) children (445 of 646), including
425658626487 patients who required hospitalization andonetwo deaths. (Jan to Apr 2025) - a case in Faulkner County, Arkansas, with exposures in Greenbrier and Conway
- 9 more cases in Kansas, bringing their total to 46
- two adults in Cook County, Illinois, with exposures in Chicago (Apr 2025)
- an adult in Defiance County, Ohio
- a case in Denton County, Texas with exposures in Flower Mound, Arlington, Lewisville, and Richardson
- another 20 cases in Texas (Andrews, Bailey, Borden, Brown, Cochran, Dallum, Dawson, Eastland, Ector, El Paso, Erath, Gaines, Garza, Hale, Hardeman, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Parmer, Potter, Randall, Reeves, Terry, Upshur, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (30 of 683) children (448 of 683), including
42565862648789 patients who required hospitalization andonetwo deaths. (Jan to May 2025) - two adults in Cook County, Illinois, with exposures in Chicago, St. Lyons, Stickney, and Berwyn (Apr 2025)
- a partially vaccinated child in Harrison County, Texas, with esposure in Hallsville
- an unvaccinated child in Williams County, North Dakota, linked to contact with an out-of-state visitor (May 2025)
- two cases in Tarrant County, Texas, with exposures in Mansfield
- another 19 cases in Texas (Andrews, Bailey, Borden, Brown, Cochran, Dallum, Dawson, Eastland, Ector, El Paso, Erath, Gaines, Garza, Hale, Hardeman, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Parmer, Potter, Randall, Reeves, Terry, Upshur, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (30 of 702) children (462 of 702), including
4256586264878991 patients who required hospitalization andonetwo deaths. (Jan to May 2025) - an adult in New Madrid County, Missouri (May 2025)
- five more cases in Williams County, North Dakota, with exposures in Williston, bringing the outbreak total to nine cases (Apr to May 2025)
- two infant in Orange County, New York related to international travel
- an infant too young to be vaccinated in Curry County, New Mexico, with exposures in Clovis, Hobbs, and Lovington (May 2025)
- another 7 cases in Texas (Andrews, Bailey, Borden, Brown, Cochran, Dallum, Dawson, Eastland, Ector, El Paso, Erath, Gaines, Garza, Hale, Hardeman, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Parmer, Potter, Randall, Reeves, Terry, Upshur, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (30 of 709) children (467 of 709), including
425658626487899192 patients who required hospitalization andonetwo deaths. (Jan to May 2025) - a case in Faulkner County, Arkansas, with exposures in Conway (May 2025)
- another 8 cases in Texas (Andrews, Bailey, Borden, Brown, Carson, Cochran, Collin, Dallum, Dawson, Eastland, Ector, El Paso, Erath, Gaines, Garza, Hale, Hardeman, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Parmer, Potter, Randall, Reeves, Rockwall, Terry, Upshur, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (30 of 709) children (484 of 709), including
42565862648789919293 patients who required hospitalization andonetwo deaths. (Jan to May 2025) - a confirmed measles case in a Canadian resident who spent time in King and Snohomish counties, Washington (May 2025)
- 8 more measles cases in Kansas, as their outbreak grows to 56 cases, with new exposures in Cimarron, Hutchinson, and Witchita (Jan to May 2025)
- an unvaccinated child and an adult in Sandoval County, New Mexico, with exposures in Albuquerque and Cedar Crest
- an adult in Flathead County, Montanna, linked to out-of-state travel (May 2025)
- an unvaccinated child in Hill County, Montana (May 2025)
- two unvaccinated caes in Cass County, North Dakota, linked to international travel, with exposures in West Fargo and Fargo (May 2025)
- an unvaccinated child in Anchorage, Alaska with exposures in Anchorage (May 2025)
- an adult in King County, Washington, related to international travel (May 2025)
- another 6 cases in Texas (Andrews, Atascosa, Bailey, Borden, Brewster, Brown, Carson, Cochran, Collin, Dallum, Dawson, Eastland, Ector, El Paso, Erath, Gaines, Garza, Hale, Hardeman, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, Midland, Parmer, Potter, Randall, Reeves, Rockwall, Terry, Upshur, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (37 of 709) children (487 of 709), including
4256586264878991929394 patients who required hospitalization andonetwo deaths. (Jan to May 2025) - a adult in the Mini-Cassia region of Idaho, an international traveler visiting on a business trip, with exposures in Burley (May 2025)
- a child in Broward County, Florida, related to international travel (April 2025)
- an unvaccinated adult in central Iowa (May 2025)
- a teenager in northwest Virginia, related to international travel, with exposures in Charlottesville (May 2025)
- a child in Sheridan County, Nebraska, with exposures in Rushville and Gordon (May 2025)
- two cases in Grand Forks County, North Dakota, with exposures in Williston (May 2025)
- an unvaccinated child in Arapahoe County, Colorado, linked to international travel, with exposures in Aurora (May 2025)
- two more cases in Gallatin County, Montanna, including an adult who was hospitalized, and with exposures in Bozeman
- another 9 cases in Texas (Andrews, Atascosa, Bailey, Borden, Brewster, Brown, Carson, Cochran, Collin, Dallum, Dawson, Eastland, Ector, El Paso, Erath, Gaines, Garza, Hale, Hardeman, Hockley, Lamar, Lamb, Lubbock, Lynn, Martin, McLennan, Midland, Parmer, Potter, Randall, Reeves, Rockwall, Terry, Upshur, and Yoakum Counties) measles outbreak with few known to be vaccinated with at least one dose (37 of 738) children (495 of 738), including
4256586264878991929394 patients who required hospitalization andonetwo deaths. (Jan to May 2025) - a resident of Marquette County, Michigan, with exposures in Marquette (May 2025)
- a casee in Flathead County, Montana, with exposures in Kalispell (May 2025)
- two cases in Minnesota, including an unvaccinated child, at the theme park inside the Mall of America
- three cases in Colorado, linked to a Turkish Airlines flight into Denver International Airport
- seven more cases in Kansas
- an adult in Meade County, South Dakota, linked to international travel, with exposures in Rapid City and Sturgis (May 2025)
- two cases in Colorado, including a partially vaccinated child who had traveled to Canada and an unvaccinated adult with exposures in Colorado Springs and Aurora (June 2025)
- four unvaccinated people in Navajo County, Arizona (May 2025)
- a case in Pennington County, South Dakota, with exposures in Rapid City (June 2025)
- a child in Virginia, with exposures in Charlottesville (June 2025)
an infant in Lee County, Alabama who was too young to be vaccinated (June 2025)- an adult in Gallatin County, Montana, community acquired, with exposures in Bozeman
- an adult in Iowa
- an adult in Yolo County, California, with exposures in Davis (June 2025)
- five new cases in unvaccinated children in southwest Kansas, raising the outbreak total in the area to 76 (June 2025)
- an unvaccinated child in Johnson County, Iowa, related to international travel, with exposures in Coralville and Iowa City (June 2025)
- an adult in Leon County, Florida, linked to travel in the US (predicted by wastewater reports!) (June 2025)
- an unvaccinated family member of a previous case in Georgia (June 2025)
- two cases in South Dakota, with exposures in Rapid City
- an unvaccinated child in Cedar County, Missouri
- an adult in Utah, with exposures in Orem
- a child visiting Forsyth and Guilford counties, North Carolina, with exposures in Greensboro and Kernersville
- an unvaccinated adult in Clackamas County and Multnomah County, Oregon related to international travel, with exposures in Portland and Lake Oswego
- two unvaccinated adults in Utah,
- an adult and a child in King County, Washington, with exposures in Bellevue, Seattle, Mercer Island, Issaquah, and Newcastle
- a resident of Todd County, Kentucky
- a case in Muskegon County, Michigan, with exposures in Muskegon
- an unvaccinated child from Natrona County, Wyoming, with exposures in Casper
- an unvaccinated child and an unvaccinated adult in Utah
- a second case of measles has been confirmed in Kent County, Michigan, with exposures in Grand Rapids
- a second case in Leon County, Florida
- A new case in a Jefferson County, Kentucky resident who recently traveled internationally (July 2025)
- an adult in eastern Iowa, with exposures in Dubuque, Ely, Cedar Rapids, Amana, and Coralville (July 2025)
- a case in Southwestern Utah, with exposures in Orem (July 2025)
- an unvaccinated child in Niobrara County, Wyoming (July 2025)
- a case in Cascade County, Montana, with exposures in Great Falls
- an outbreak in Osceola County, Michigan continues to grow, with seven cases now identified, originating in a someone who had traveled out of the state in mid July
- at least nine cases in Oconto County, Wisconsin, linked to out of state travel
- an unvaccinated child in Kootenai County, Idaho (August 2025)
- an unvaccinated teen in San Diego County, California, with links to international travel and exposures in La Jolla and San Diego (August 2025)
- a resident of Rockland County, New York, linked to travel (Aug 2025)
- five more cases in Oconto County, Wisconsin, raising the total to 9 in this outbreak (Aug 2025)
- an unvaccinated child in Bonner County, Idaho
- an unvaccinated resident of Fulton County, Georgia related to international travel, with exposure at Georgia State University in Atlanta (Sep 2025)
- an outbreak in Colorado City, Arizona has grown to 42 cases, with 21 more cases in neighboring communities in Utah. (Aug to Sept 2025)
- an unvaccinated 4-year-old in Cook County, Illinois, with exposures at O’hare airport (Sept 2025)
- an ongoing outbreak in South Carolina that began in early September and has grown to nearly 200 mostly unvaccinated children
- an ongoing outbreak in Utah that began in early December
So that’s 2,117 cases, a 32 year record, and three deaths…
Buckle up and make sure you are vaccinated and protected!
Protection from Measles
Fortunately, it’s usually not hard to protect yourself and your family from measles.
Just get vaccinated and protected!
What if you can’t?
What if you have a true medical exemption to getting the MMR vaccine or your baby is too young to be vaccinated?
Then you should do your best to avoid high risk situations and encourage folks around you to get vaccinated and protected.
More on the Measles Outbreaks
- Measles Outbreak Response
- Measles Cases and Outbreaks
- The North American Measles Outbreak of 2025
- Where Are We Seeing Community Spread of Measles in the United States?
- When is Measles Season?
- What to Do If Your Child Is Exposed to Measles
- Fact Checking the Idea That Measles Was Never a Scary Disease
- Questions and Answers about the Texas Measles Outbreak