Two new measles cases have been discovered in Gallatin County thus bringing the County’s total up to 22 confirmed measles infections since the start of the outbreak earlier in the year, with 13 among children (ages 17 and under) and 9 among adults.
The infected individuals may have exposed others at over 20 public locations across Gallatin County (including Bozeman and Belgrade) and three sites in Missoula County during November 2025, such as stores, restaurants, airports, medical facilities, and churches.
No confirmed cases have been reported in Missoula County as of the latest updates, though health officials there issued exposure warnings for an infected visitor on November 22, 2025.
There hasn’t been any additional confirmed measles cases reported statewide since December 1st, based on available health department and news sources.
Health authorities across the state are recommending checking your MMR vaccination status, as two doses provide 97% protection.
If you’re not immune and have been exposed, you should contact your local health department; symptoms like fever, cough, runny nose, red eyes, and rash typically appear within 7-14 days after exposure.
For the full list of exposure sites and times, you can visit the Gallatin City-County Health Department website (or your local City-County Health Department).
sourced — dphhs.mt.gov
