The measles outbreak continues to unfold all through the U.S., sparking discussions about how finest to guard kids and different high-risk teams from the illness.
Whereas West Texas has been the main focus of the largest outbreak — with reported instances exceeding 700 as of Might 27 — the virus has additionally emerged in a lot of different states.
The Facilities for Illness Management and Prevention (CDC) has confirmed 1,046 whole instances throughout the U.S. in 2025 as of Might 22.The primary case was reported in January; in February, two further relations contracted the virus.
Under is a state-by-state rundown of the place within the U.S. measles instances have been detected and the variety of confirmed infections. Fox Information Digital will proceed to replace this checklist as new information is launched.
Alaska
The state recorded its first case of measles in an unvaccinated grownup who traveled abroad in January 2025, in keeping with the Alaska Division of Well being.
On Might 22, the Anchorage Well being Division confirmed one other measles case in an unvaccinated minor and Municipality of Anchorage resident.
Arkansas
As of Might 28, there have been seven confirmed measles instances in Arkansas.
Six of those instances have been recognized in Faulkner County and one in Saline County.
California
Eleven instances of measles have been confirmed in California as of Might 26 within the jurisdictions of Fresno, Los Angeles, Orange, Placer, Riverside, San Mateo and Tuolumne.
Colorado
5 instances of measles had been confirmed in Colorado as of Might 27.
The primary case was in an invaccinated grownup in Pueblo, Colorado.
In response to the Colorado Division of Public Well being and Atmosphere and the Pueblo Division of Public Well being, the person not too long ago traveled from an contaminated space in Mexico.
Newer instances traveled by means of Colorado, leading to publicity in Pueblo on Might 9 and 10, and Denver on Might 13, 14 and 22, the division warned.
Florida
Florida confirmed its first case of 2025 in a scholar at Miami Palmetto Senior Excessive Faculty in early March.
Georgia
4 measles instances have been confirmed in 2025 in Atlanta as of Might 19.
The primary case was reported in January; in February, two further relations contracted the virus.
The newest case was confirmed in an unvaccinated Higher Atlanta resident who contracted the sickness whereas touring internationally.
Hawaii
Hawaii has confirmed two instances of measles in the identical family, in keeping with the Division of Well being on April 17.
Hawaii Gov. Josh Inexperienced introduced on April 8 the state’s first measles case in an unvaccinated Oahu youngster.
In an April 9 put up on X, Inexperienced mentioned that as a physician and Hawaiian governor, he’s seen “firsthand how lethal measles will be.”
“Hawaii now has a confirmed case, and we’re on excessive alert,” he wrote. “The science is evident: measles is harmful, the vaccine is secure and defending our keiki is dependent upon it.”
Illinois
Illinois has confirmed 10 instances of measles within the state as of Might 27.
One case was recognized in a Chicago grownup who traveled internationally by means of Chicago O’Hare Worldwide Airport in April, sounding the alarm on potential measles publicity on the terminal.
Indiana
The Indiana Division of Well being has confirmed eight instances of measles within the state as of Might 23.
All eight instances are in connection to one another. The preliminary outbreak included 4 unvaccinated minors and two adults with unclear vaccination statuses.
Kansas
A complete of 58 measles instances have been confirmed by the Kansas Division of Well being and Atmosphere as of Might 21 throughout 10 counties.
Forty-six of those instances have occurred in kids. 47 of the full instances had been unvaccinated and two outbreak instances led to hospitalizations.
Kentucky
On Feb. 26, the Kentucky Division for Public Well being introduced a confirmed case of measles, the primary since February 2023.
The grownup had not too long ago traveled internationally to an space with ongoing measles transmission, well being officers mentioned.
Louisiana
In April, the Louisiana Division of Well being confirmed two measles instances within the state.
The primary case was in an unvaccinated particular person most certainly contaminated by means of worldwide journey. The second affected person’s vaccination standing was unknown.
Maryland
Three measles instances have been confirmed in Maryland as of March 20.
The Maryland Division of Well being reported two instances in Prince George’s County residents who had not too long ago traveled collectively internationally.
On March 9, the Division of Well being and Howard County Well being Division introduced its first confirmed case of measles.
The general public has been alerted to potential publicity upon touring by means of Dulles Worldwide Airport or Ronald Reagan Washington Nationwide Airport throughout this timeframe.
Michigan
Michigan has confirmed eight measles instances and an outbreak as of Might 14.
4 of those instances are associated to the outbreak in Montcalm County.
Earlier instances occurred in Macomb County on April 4 and Kent County on April 1.
The Michigan Division of Well being and Human Providers and Oakland County Well being Division confirmed its first case of measles in Oakland County on March 14.
Minnesota
As of April 17, the Minnesota Division of Well being has confirmed two instances of measles within the state.
One case was uncovered outdoors the U.S., and the opposite inside the U.S.
Missouri
The Missouri Division of Well being confirmed one case of measles in a Taney County customer on April 18.
The contaminated particular person is a baby and the an infection is related to latest worldwide journey.
Montana
There have been 11 confirmed instances in Montana as of Might 23.
Circumstances have been detected in Gallatin County, Hill County and Flathead County residents who’re unvaccinated or have an unknown vaccination standing.
That is the primary signal of measles within the state of Montana in 35 years.
New Jersey
A complete of three measles instances have been reported in New Jersey this yr, as of Might 20.
Circumstances had been first recognized in March in a traveler at Newark Liberty Worldwide Airport, in addition to Park Ridge and Paramus, NJ, areas.
The state well being division has not too long ago alerted residents of exposures from non-New Jersey residents at Newark Liberty Worldwide Airport on Might 12 and MetLife Stadium on Might 15.
New Mexico
As of Might 27, there have been 79 instances of measles within the state — 66 of these in Lea County, three in Eddy County, two in Dona Ana County and one in Chaves County, one in Curry County and 6 in Sandoval County.
One loss of life has been reported, of an grownup who was not vaccinated and reportedly didn’t search medical assist.
Fifty-two of the 79 whole instances weren’t vaccinated people.
New York
A complete of 12 instances have been reported in New York — six of them in New York Metropolis and 6 in New York State outdoors town – as of Might 27.
4 New York State instances occurred in Orange County, one in Suffolk County and one in Ontario County in people beneath the age of 5.
North Dakota
As of Might 27, there have been 23 confirmed instances of measles in North Dakota – the primary instances since 2011.
There was one hospitalization, and all 23 instances had been unvaccinated people.
The state’s first case concerned an unvaccinated youngster from Williams County who was believed to have contracted the sickness from an out-of-state customer, in keeping with North Dakota Well being and Human Providers.
Ohio
There are 41 confirmed instances of measles in Ohio, as of Might 28.
In response to the Ohio Division of Well being, three instances have led to hospitalizations.
Many of the instances have occurred in Ashtabula County (16) and Holmes County (14).
On March 20, the well being division confirmed the state’s first case of measles.
The person was from Ashtabula County and was not vaccinated, in keeping with well being officers. The particular person had not too long ago been uncovered to a person who had traveled internationally.
Oklahoma
Seventeen instances of measles have been reported in Oklahoma as of Might 27.
The vaccination standing of 15 of the contaminated people is unvaccinated.
Two of the contaminated people, introduced on March 11, reported having exposures related to the Texas and New Mexico outbreak, in keeping with the Oklahoma State Division of Well being.
The Oklahoma State Division of Well being realized that two further contaminated people had been in public settings whereas contagious.
Pennsylvania
As of April 16, seven instances of measles have been reported within the state.
The primary affected person was an unvaccinated youngster from Montgomery County, in keeping with the Philadelphia Division of Public Well being.
One other case was uncovered whereas touring overseas and isn’t related with the Montgomery County case, the division famous.
Erie County Division of Well being has reported 5 measles instances as of April 16 in connection to worldwide journey.
Rhode Island
The state confirmed one case of measles in January 2025, the primary since 2013.
The affected person was a younger, unvaccinated youngster with a latest historical past of worldwide journey, in keeping with the Rhode Island Division of Well being.
Tennessee
Tennessee has confirmed six instances of measles as of Might 23.
All six had been unvaccinated people, and 4 had been in between the ages of 5 and 17.
One of many newer instances was associated to the state’s first case of measles, reported on March 21.
“The person turned contaminated with measles in early March and is recovering at residence,” said the Tennessee Division of Well being. “Public well being officers are working to determine different areas and individuals doubtlessly uncovered to the virus.”
Texas
As of Might 27, a complete of 729 instances have been recognized since late January, in keeping with the Texas Division of State Well being Providers. The bulk have been reported in Gaines County (408).
Ninety-four of the sufferers have been hospitalized, and two deaths have been reported in unvaccinated, school-aged kids.
Of the 729 whole instances, 692 had been both unvaccinated people or unknown.
Vermont
The state confirmed its first case of measles in 2025 on March 11. The affected person was a school-aged youngster who not too long ago traveled internationally, in keeping with the Vermont Division of Well being.
Virginia
On April 19, Virginia confirmed its first measles case of 2025 in a baby beneath 4 who not too long ago traveled internationally.
Washington
Washington state has reported six measles instances as of Might 20.
Seattle and King County had been most not too long ago notified of an contaminated King County grownup who traveled by means of Seattle-Tacoma Worldwide Airport on Might 17.
This case just isn’t related to earlier measles instances, which have occurred in King County and Snohomish County.
The state’s first measles case of the yr was reported on Feb. 27, affecting an toddler in King County. The second case, reported March 18, was seemingly contaminated by the primary.
Washington, D.C.
The D.C. Division of Well being confirmed on March 25 the primary case of measles within the capital.
Well being officers warned that the contaminated particular person boarded a southbound Amtrak prepare on the night of March 19 into Union Station.
Fox Information’ senior medical analyst Dr. Marc Siegel beforehand instructed Fox Information Digital that measles is extremely contagious.
“There’s a 90% probability you’ll get it if you’re unvaccinated and step right into a room the place somebody with measles was two hours earlier than,” he cautioned.
Siegel beforehand prompt that prime exemption charges for childhood vaccines, which are actually beneath 85% compliance, are guilty.
Nearly all of instances within the present outbreak have occurred in unvaccinated people, largely school-aged kids.
The easiest way to forestall measles is to obtain the two-dose measles, mumps and rubella (MMR) vaccine, in keeping with the Facilities for Illness Management and Prevention and numerous specialists.
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