Quebec says only people at risk who haven’t had COVID-19 should get booster dose

MONTREAL — Only people who are considered at risk for severe COVID-19 — and who haven’t already been infected — need to get a booster dose, Quebec’s public health director said Thursday. The vast majority of Quebecers have hybrid immunity — protection through vaccination and through a SARS-CoV-2 infection — making regular boosters unnecessary, at […]