DEFINITION		REPORTABLE TO PHAC
Confirmed Case	Laboratory Confirmed Laboratory confirmation of infection in the absence of recent immunization with measles-containing vaccine: • isolation of measles virus from an appropriate clinical specimen OR • detection of measles virus RNA OR • seroconversion or a significant (e.g. fourfold or greater) rise in measles IgG titre by any standard serologic assay between acute and convalescent sera OR • positive serologic test for measles IgM antibody using a recommended assay in a person who is either epidemiologically linked to a laboratory-confirmed case or has recently travelled to an area of known measles activity	Yes Report case through CMRSS
	Confirmed by Epidemiological Link • Clinical illness in a person with an epidemiologic link to a laboratory-confirmed case
Probable Case	Clinical illness • in the absence of appropriate laboratory tests OR • in the absence of an epidemiologic link to a laboratory-confirmed case OR • in a person who has recently travelled to an area of known measles activity	No
Clinical Case	Clinical illness is characterized by all of the following features: • fever of 38.3° C or greater • cough, coryza or conjunctivitis • generalized maculopapular rash for at least 3 days	No