The San Bernardino County Department of Public Health confirms nine cases of measles in the county as of Wednesday.
Health officials say one of the confirmed cases visited public places while infectious. They say it is possible residents may have been exposed at eight different locations in Redlands, Loma Linda and Highland.
Measles is a highly contagious disease that causes fever, rash, cough, and red, watery eyes. It spreads very easily by air and by direct contact with an infected person. Health officials say measles is contagious from about four days before the rash appears through four days after it appears.