https://www.canada.ca/en/public-health/services/diseases/coronavirus-disease-covid-19/vaccines.html?utm_source=sfmc&utm_medium=email&utm_campaign=OMA+News+August+13+2021&utm_term=https%3a%2f%2fwww.canada.ca%2fen%2fpublic-health%2fservices%2fdiseases%2fcoronavirus-disease-covid-19%2fvaccines.html&utm_id=145621&sfmc_id=7580034 HMC