A dose of the measles, mumps, and rubella (MMR) vaccination awaits the next patient during a vaccine clinic at Southwestern Public Health in St. Thomas, Ont. on Tuesday, March 4, 2025.THE CANADIAN PRESS/ Geoff Robins
Public health doctors say if people don’t know if they’ve been vaccinated against measles, they should get a shot.
Dr. Theresa Tam, Canada’s chief public health officer, says people should try their best to find their vaccine records and ask their doctors.
But she says if they really have no idea, there is no harm in getting a dose of the measles, mumps and rubella (MMR) vaccine to ensure they are protected as Canada continues to see a rising number of cases.
The exception is pregnant women, because the MMR vaccine isn’t recommended during pregnancy as it contains live virus that could theoretically be transmitted to the fetus.
Tam says it’s vital for women of …