CBC.caOntario expands access to 4th COVID-19 vaccine doses to all adultsJul 13, 2022bookmark_bordersharemore_vert
NBC NewsWith BA.5 spreading, when should you get your Covid booster shot?Jul 14, 2022Erika EdwardsBy Erika Edwardsbookmark_bordersharemore_vert
CBC.caWhat a 4th COVID shot can do for you — and what it can'tJul 16, 2022Adam MillerBy Adam Millerbookmark_bordersharemore_vert