That’s well below the 90 percent needed for herd immunity – where enough children are vaccinated to protect the whole community, including those with allergies or immune conditions that mean they can’t be vaccinated. Vaccinations for diphtheria, pertussis, tetanus and chickenpox are lower, with rates in the 70th percentiles. Eighty nine percent of toddlers have been vaccinated for measles, mumps and rubella (MMR) as well as me ningococcal diseases, and 91 percent have gotten the polio vaccine. One reason is because Canada’s vaccination rates are too low. These stories are no longer uncommon there have been outbreaks of measles in British Columbia, Alberta, Saskatchewan and Ontario in recent years.
This week, Toronto Public Health warned that a young adult in the city had the measles, after getting it while travelling.
