While not a confirmed case of the measles, the Erie County Health Department is investigating a possible measles exposure at Williamsville South High School on Friday, according to WGRZ.

The school district issued the following statement:

The Williamsville Central School District was notified by the Erie County Department of Health today, December 17, 2018, that it is investigating a possible measles exposure that may have occurred at Williamsville South High School on Friday, December 14, 2018. It is important to know that there is not a confirmed case of measles at Williamsville South.

Following the recommendation from the health department, as a precautionary measure, the district has notified the parents and guardians of South students, and employees about the ECDOH investigation regarding possible exposure.

WGRZ reports letters were sent to parents and staff regarding the possible exposure.