immunity

Delay of second doses of COVID-19 vaccines has epidemiological benefits, but long-term effects depend on strength of immunity

Published: 9Mar2021

Delaying second doses of COVID-19 vaccines should reduce case numbers in the near term; however, the longer term case burden and the potential for evolution of viral ‘escape’ from immunity will...

Long-term COVID-19 containment will be shaped by strength and duration of natural, vaccine-induced immunity

Published: 28Sep2020

New research suggests that the impact of natural and vaccine-induced immunity will be key factors in shaping the future trajectory of the global coronavirus pandemic, known as COVID-19. In...

THE GLOBE AND MAIL | Canada’s immunity task force takes aim at pressing COVID-19 questions

Published: 4May2020

After one week on the job, members of the federal government’s new immunity task force say they are coming to grips with a towering wall of uncertainty that obscures the true extent of COVID-19 in...

Back to top