There are now five confirmed cases of measles in Orange County, according to health officials.
They say that all of the patients are children.
Two of the cases are students who attend school in the county.
News 12 has learned it is not a public school, but police are not disclosing a specific location.
Orange County Health Commissioner Dr. Irina Gelman says it's important to get immunized. Also, she said those who think they may be infected should contact their health care provider by phone before going into an office.
Rockland County has seen 91 cases, with more than 11,000 vaccines administered since the outbreak began.