Ajax: confirmed measles case — possible exposure at Ajax-Pickering hospital ED

Durham Region Health Department has confirmed a case of measles in a local unimmunized child with a history of recent international travel. This brings the total to five confirmed cases of measles in Durham Region for 2026. The Health Department says it is investigating and following up directly with known contacts in Durham Region who may have been exposed.

The Health Department says members of the public may have been exposed at the Lakeridge Health Ajax-Pickering Emergency Department waiting room, 580 Harwood Ave. S., Ajax, on November 3, 2026, between 10:40 a.m. and 5:00 p.m. People who were there at that time are advised to watch for symptoms until November 24, 2026.

Anyone who believes they may have been exposed should confirm they and their family members have two doses of measles vaccine (MMR or MMRV). The Health Department advises anyone who develops symptoms to stay home, call ahead before visiting a clinic or primary care provider, and wear a well-fitting mask when getting a medical assessment. People without a health care provider can call the Durham Health Connection Line at 905-668-2020 or 1-800-841-2729.

Measles is a highly contagious disease that spreads easily to people who are not immunized or have not previously had measles. Symptoms typically begin seven to 21 days after infection and may include a high fever, cough, runny nose, red watery eyes, sensitivity to light, and a red rash lasting four to seven days. Infants under one year of age, unimmunized pregnant people, and people with weakened immune systems are at increased risk of complications.