ANAHEIM, Calif. — Los Angeles County health officials are warning the public of another measles case from a person who visited Disneyland last week.

According to the LA County Department of Public Health, the person visited Disneyland on October 16th. Anyone who has visited the theme park may be at risk for developing measles.

Symptoms for the disease appear 21 days after exposure. Health officials are urging the public to double-check their immunization records and monitor themselves for symptoms.

There have been 19 measles cases among LA County residents, and 11 non-resident cases that traveled through the area.