This story was originally published by Canada’s National Observer and is reproduced here as part of the Climate Desk collaboration. While vaccines and mask policies are viewed favorably by most Canadians, the vocal minority who oppose them are a growing threat—not only to public health, but to public safety and even democracy itself. In recent weeks, anti-vaccine protests have drawn angry, unruly crowds outside hospitals and other health care facilities across Canada, blocking patients and employees trying to access the buildings, and in at least one instance, forcing cancer patients to get out of cars and walk through the unmasked mob.