Manitoba public health officials are warning of a measles exposure in a southern emergency room. According to a measles update Friday, the province said the latest exposure happened in the Bethesda Regional Health Centre emergency room at 316 Henry St., in Steinbach, on Tuesday, Dec. 9 from 1:25 p.m. to 4 p.m. Anyone who was at the emergency room during this time is asked to monitor for symptoms until Dec. 31 and ensure their measles vaccines are up to date. More details about measles exposures in Manitoba can be found online.