TOPEKA – The Kansas Department of Health and Environment announced on Aug. 21 that the measles outbreak affecting southwest Kansas has officially ended.
In a statewide release, KDHE noted that two full incubation periods, for a total of 42 days, had passed since the last confirmed case was reported.
“As there is not an active outbreak in southwest Kansas, KDHE is no longer recommending the early measles, mumps and rubella (MMR) vaccination dose for infants 6-11 months old. Health-care providers should now refer to the standard childhood schedule for MMR administration.”
Outbreak statistics
As of Aug. 21, 87 cases of measles were confirmed in the outbreak, which began in January 2025. More than 80% of the cases were children, and over 90% of the cases were not vaccinated against measles