Alberta children aged 5 to 11 can get a COVID-19 booster next week

Alberta children aged five to 11 will be able to get a COVID-19 vaccine boost starting Aug. 31. Bookings open Aug. 29, Alberta Health announced Friday morning. Health Canada approved Pfizer's Comirnaty vaccine to be offered in booster doses to the age group on Aug. 19. The effectiveness of the booster against symptomatic infection in children aged five to 11 is estimated to be between 30 and 50 per cent. The rate of efficacy against severe disease is higher: 41 to 68 per cent. "Vaccines remain o