title: The reinfection threshold does not exist.
authors.forename: Romulus
authors.initials: R
authors.lastname: Breban
authors.forename: Sally
authors.initials: S
authors.lastname: Blower
mesh_terms: D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000453:epidemiology*; D004196:Disease Outbreaks; D004198:Disease Susceptibility; D006801:Humans; D008954:Models, Biological; D012008:Recurrence; D014611:Vaccination