Surge in Measles Cases in Kansas and Ohio: Public Health Concerns Rise
Los Angeles – A concerning outbreak of measles has emerged, tracing its origins back to southwestern Kansas. This outbreak, which has increased to 23 confirmed cases, is potentially linked to prior outbreaks in Texas and New Mexico, where a total of over 370 individuals have contracted the virus, as reported by health officials.
Measles Outbreaks: Where They Are Spreading
The Kansas Department of Health and Environment has reported that the number of measles cases has more than doubled in just a few days, rising from 10 to 23 cases. These cases have been identified across six counties: Grant, Morton, Stevens, Haskell, Gray, and Kiowa.
Notably, nearly all reported cases in Kansas involve individuals under the age of 18, with the outbreak initiating from a case identified in Stevens County on March 13. In response, health officials in Kansas are advising a proactive approach, recommending early administration of the measles, mumps, and rubella (MMR) vaccine for infants aged 6 to 11 months who reside in affected areas.
In Ohio, an outbreak has similarly intensified, with health authorities confirming 10 measles cases in Ashtabula County. This situation is compounded by concerns related to a separate case involving a visitor in Knox County, which has resulted in exposure alerts across nearby regions. Ohio had previously dealt with a significant outbreak in 2022, which affected 85 individuals.
Current Knowledge and Uncertainties
As these outbreaks unfold, several critical questions remain unanswered. The duration of these outbreaks and potential spread to states with lower vaccination rates yet to be determined. While health experts are examining possible connections between the outbreaks in Kansas and Ohio and those in Texas and New Mexico, no specific source has been established at this time. Furthermore, it is still uncertain how many individuals who have been exposed may exhibit symptoms, given the incubation period for measles.
Broader Implications for Other States
The Centers for Disease Control and Prevention (CDC) indicated that measles cases in 2025 have already exceeded the total from the previous year, even prior to accounting for the recent clusters in Kansas and Ohio. Measles outbreak figures as of now include 43 cases reported in New Mexico and 327 in Texas, with Oklahoma also confirming nine cases linked to the ongoing spread.
Public health experts warn that the Texas outbreak, which began in January, may persist for months, putting the U.S. at risk of losing its measles elimination status if it infiltrates more under-vaccinated communities.
The Vaccination Gap
Current data from health authorities demonstrate the crucial role of vaccination in preventing such outbreaks. The MMR vaccine, which involves two doses typically administered before kindergarten, boasts approximately 97% effectiveness against measles. However, vaccination rates in several Kansas counties currently fall below the recommended levels:
- Morton County: 82%
- Stevens County: 83%
- Haskell County: 58%
- Gray County: 66%
Health officials argue that an optimal vaccination rate of 95% is essential to prevent disease outbreaks. The Kansas Department of Health has issued warnings about a likely increase in cases in the affected counties, particularly among unvaccinated individuals.
In Ohio, vaccination statistics indicate that only 89% of kindergarteners were fully vaccinated against measles as of the 2023-24 school year, signalling a gap in community immunity.
Health Officials’ Statements
Dr. Bruce Vanderhoff, Director of the Ohio Department of Health expressed concern, stating, “Given the measles activity in Texas, New Mexico, and other states around the country, we’re disappointed but not surprised we now have several cases here in Ohio and known exposure in some counties. This disease can be very serious, even deadly, but it is almost entirely avoidable by being properly vaccinated.” Meanwhile, Jill Bronaugh from the Kansas Department of Health and Environment remarked, “Due to the highly contagious nature of measles, additional cases are likely to occur within the current outbreak area and the surrounding counties, especially among those who are unvaccinated.”
The Source
This article is produced based on information shared by the Associated Press, with updates from the Kansas Department of Health and Environment, the Ohio Department of Health, and the U.S. Centers for Disease Control and Prevention. All case counts and vaccination statistics reflect official state and federal updates as of March 2025.