Yellow fever is a mosquito-borne, viral infection, found in the tropical and subtropical areas of Africa and Central and South America. The virus is transmitted by the Aedes mosquito species, which are currently not established in Canada. All cases of yellow fever in Ontario are travel-related, and there is no human-to-human transmission. A vaccine is available to prevent the disease.
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.