Diphtheria is a serious infection caused by the bacteria Corynebacterium diphtheriae. It is rare in Ontario. It is spread from person-to-person through coughing or sneezing or can be spread indirectly by touching contaminated objects. Symptoms include, fever, sore throat, difficulty swallowing, malaise and loss of appetite. In Ontario, a vaccine series to prevent diphtheria is started in infancy with booster doses throughout life.
To obtain or inquire about an immunization record, or for general immunization information, please contact your local public health unit.
PHO Grand Rounds: Measles and varicella maternal antibody waning in Ontario infants
In this presentation, we will outline the epidemiology of measles and varicella. We will also describe a study performed at the Hospital for Sick Children in Toronto to investigate immunity to measles and varicella in infants that are less than 12 months of age.