Montgomery County, Pennsylvania, officials say a baby who has been diagnosed with measles visited two health care facilities in the area while he was infectious.

Health officials in Montgomery County, Pennsylvania, are investigating one confirmed case of measles in an unvaccinated child, county officials said Sunday. Montgomery County Office of Public Health investigators are working with the child's guardians and health care providers for contact tracing and notifying anyone who might have been exposed to the virus,

The Montgomery County Department of Health and Human Services' Office of Public Health is investigating a confirmed case of measles in an unvaccinated Montgomery County child.