You may soon be offered a fourth COVID-19 shot. What’s known about second boosters? - Toronto Star, April 1, 2022
Dr. Timothy Evans, Inaugural Director and Associate Dean at the School of Population and Global Health and Executive Director of Canada's COVID-19 Immunity Task Force Secretariat is among the experts quoted by the Toronto Star.
"More Canadians may soon be offered a fourth dose of the COVID-19 vaccine, but the extent of the protection it provides remains to be seen.
Canada’s advisory panel on vaccines is expected to update its guidance in coming days as concern mounts that the country could be on the brink of a sixth wave.
U.S. regulators approved additional boosters this week for Americans aged 50 and older if it’s been at least four months since their last dose, as well as certain younger people with severely weakened immune systems.
Here’s what scientists say about what could be ahead for Canada’s next stage in the COVID-19 fight."