Canada, World, AstraZeneca, astrazeneca naci, astrazeneca under 55, AstraZeneca vaccine, AstraZeneca vaccine Canada, astrazeneca young people, COVID, covid vaccine, covid vaccine astrazeneca, germany mixing vaccines, naci, uis astrazeneca one dose or two, VaccineDr. Howard Njoo, Canada’s deputy chief public health officer, suggested more guidance could be coming for people under age 55 who received the AstraZeneca vaccine.
