The nationwide vaccination campaign to immunize adults against COVID-19 is now well underway after a series of false starts and severe supply disruptions. Roughly 17.8 million doses of Pfizer's vaccine are to be delivered in the April through June period. Nurses with Humber River Hospital prepare doses of the Moderna COVID-19 vaccine at a mobile clinic in Toronto on Apr. Bottles containing the Moderna COVID-19 vaccine are pictured at a clinic in Toronto on Apr. Black Creek Community Health volunteer Rayvon Johnson, 18, gets his first dose of the Moderna COVID-19 vaccine in Toronto on Apr.

Source: CBC News April 16, 2021 07:52 UTC