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April 3, 2019 - MARIPOSA, Calif. (KFSN) -- A couple of students at Mariposa High School may have been exposed to measles during an out of town sporting event, but now health officials worry more may be at risk. 

(Left) Dr. Eric Sergienko, Mariposa County Health Officer

"Here in Mariposa we have a lower uptake of vaccinations a higher rate of personal belief exceptions," said Dr. Eric Sergienko.