Dr. Luc Boileau, the province's director of public health, says because the vast majority of Quebecers have hybrid immunity — protection through vaccination and through a SARS-CoV-2 infection — regular boosters are no longer needed.
Dr. Luc Boileau, the province's director of public health, says because the vast majority of Quebecers have hybrid immunity — protection through vaccination and through a SARS-CoV-2 infection — regular boosters are no longer needed.