Asymptomatic Carriers of Diphtheria Identified in Canadian School
Story Highlights A case of diphtheria has been confirmed in an elementary school in Edmonton, Alberta, Canada. Three other people, who are asymptomatic carriers of the bacterial disease have been identified and are being treated in isolation. The diphtheria vaccine is only available as a combination vaccine (DT, Td, DTaP, Tdap) and its effectiveness wanes over […]