Scheduled appointment to receive AstraZeneca Covid-19 vaccine, responding to call for under-age 65 subjects. Received quick jab in office of grocery store, in the afternoon after National Advisory Community on Immunization expands recommendation of formulation for all ages. Ontario pharmacists are now reporting that supply is depleting, hard to plan more than a week ahead. (Loblaws Pharmacy at Jeff's No Frills, Carlaw Avenue, Toronto, Ontario) 20210316