Problem: Six months, 100 cases and 56,000 vaccines later, New Mexico's measles outbreak has come to an end. So said New Mexico health officials on Friday, noting in a news release that the state logged its last case on Aug. 14 in Santa Fe County, meaning more than 42 days have passed without new cases, "a timeframe that represents twice the virus's maximum incubation period." NMDOH medical epidemiologist Dr. Chad Smelser told Source NM the end of the outbreak means the risk of measles spread inside New Mexico is lower. Need Assignment Help?