The first case of measles in Pennsylvania this year has been confirmed, and though there is no sign of the infection in the Lehigh Valley, local health networks are preparing for the worst.

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,

A confirmed case of measles in an unvaccinated child is under investigation by Montgomery County health officials.

New details are emerging after Montgomery County Health officials confirmed Pennsylvania’s first measles case of the year over the weekend.

An unvaccinated child in Montgomery County has contracted the measles — the first confirmed case in Pennsylvania this year. The child contracted the highly contagious virus while on an international trip and returned to the area last week.