Tag: mixing

Mixing COVID-19 vaccine doses increases mild symptoms but it is safe

TORONTO – Canada and Ontario are still grappling with the AstraZeneca node. The vaccine, although still considered safe by both Health Canada and the National Advisory Committee on Immunization (Naci) has been suspended as a precaution in some provinces of our country. In Ontario, as explained this week by Chief Medical Officer David Williams, the provisional stop was decided for two reasons: on the one hand the necessary caution pending new data on adverse reactions, on the other hand the lack of new supplies due to the announced delays in deliveries.