COVID-19 updates, July 19: Canadian borders will open to fully vaccinated Americans on Aug. 9 – Montreal Gazette Health Canada approves updated Pfizer, Moderna COVID-19 vaccines for fall – CTV News Health Canada approves updated Pfizer and Moderna COVID-19 vaccines for fall rollout – The Globe and Mail COVID-19 in Canada: A Two-year Update on Social and Economic Impacts – Statistique Canada COVID-19 – BC Centre for Disease Control