Winnipeg Free Press By: Dan Lett | Posted: 7:00 PM CST Wednesday, Feb. 17, 2021 Last Modified: 9:50 PM CST Wednesday, Feb. 17, 2021 | Updates Opinion Six months from now, when (theoretically, at least) most of the country is immunized against COVID-19, we may look back at the three-week lull in vaccinations as a blessing. Winnipeg Free Press Six months from now, when (theoretically, at least) most of the country is immunized against COVID-19, we may look back at the three-week lull in vaccinations as a blessing. Starting the week of Jan. 25, Canada's principal supplier of vaccines, Pfizer, suspended shipments while one of its principal factories in Belgium was being retrofitted to expand capacity. The shortage of Pfizer-BioNTech doses — the first and most widely approved COVID-19 vaccine — crippled programs in many countries.