Difficulties associated with pertussis surveillance.
Rivest
P
P
Santé publique de Montréal-Centre, Montreal, Quebec.
Richer
F
F
Bédard
L
L
D002170:Canada / Q000453:epidemiology; D018563:Disease Notification; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D006776:Hospitals, Pediatric / Q000706:statistics & numerical data; D006801:Humans; D015994:Incidence; D016133:Polymerase Chain Reaction; D011159:Population Surveillance / Q000379:methods*; D040442:Public Health Informatics; D012042:Registries; D012680:Sensitivity and Specificity; D011795:Surveys and Questionnaires; D014917:Whooping Cough / Q000175:diagnosis / Q000453:epidemiology* / Q000517:prevention & control*