Shortages of COVID-19 vaccine supply have left provinces, including Alberta, scrambling to adjust their rollout schedule, including plans for second doses.There are questions over what will happen if a second dose is not administered in a timely manner and whether that decreases an individual’s protection.In Alberta, second doses of the vaccine are being offered within 42 days of the first dose, following a recommendation made by the World Health Organization and the National Advisory Committee on Immunization.Chief Medical Officer of Health Dr.
Deena Hinshaw said the province was making this move to get first doses into as many Albertans as possible.On Monday, Premier Jason Kenney said first dose appointments were being paused to ensure.