There has been a community exposure of measles in Listowel.
Huron-Perth Public Health says the exposure took place at the emergency department waiting room at the Listowel Memorial Hospital on Sunday from 7:23pm-10:31pm.
Public health says if you were present during this time, born in 1970 or later and not up to date on your measles vaccination to contact public health.
This include s people who were in the area only briefly as measles is highly contagious and can linger in the air for up to two hours.