title: Our evolving understanding of legionellosis epidemiology: learning to count.
authors.affiliation: Research Institute of the Hospital for Sick Children, Toronto, Canada.
authors.forename: Victoria
authors.initials: V
authors.lastname: Ng
authors.forename: Patrick
authors.initials: P
authors.lastname: Tang
authors.forename: David N
authors.initials: DN
authors.lastname: Fisman
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007876:Legionellosis / Q000453:epidemiology* / Q000266:history