title: Case definitions for diseases under national surveillance.
mesh_terms: D002170:Canada / Q000453:epidemiology; D002985:Clinical Protocols; D003140:Communicable Disease Control / Q000379:methods; D003141:Communicable Diseases / Q000175:diagnosis* / Q000453:epidemiology* / Q000209:etiology / Q000635:transmission; D003625:Data Collection; D003627:Data Interpretation, Statistical; D018563:Disease Notification / Q000331:legislation & jurisprudence / Q000379:methods*; D004196:Disease Outbreaks / Q000517:prevention & control / Q000706:statistics & numerical data; D017408:Guidelines as Topic; D006801:Humans; D015994:Incidence; D011159:Population Surveillance / Q000379:methods*; D012307:Risk Factors