“Vaccination rates have been slipping. Ideally, we would want a 95% threshold to ensure herd immunity,” says Dr. Christopher Labos, as Quebec reports about 10 measles cases in the province – seven of those in Montreal. Anastasia Dextrene reports.
“Vaccination rates have been slipping. Ideally, we would want a 95% threshold to ensure herd immunity,” says Dr. Christopher Labos, as Quebec reports about 10 measles cases in the province – seven of those in Montreal. Anastasia Dextrene reports.