title: ProMED-mail: background and purpose.
authors.affiliation: ProMED-mail, Rio de Janeiro, Brazil. woodall@bioqmed.ufrj.br
authors.forename: J
authors.initials: J
authors.lastname: Woodall
authors.forename: C H
authors.initials: CH
authors.lastname: Calisher
mesh_terms: D021821:Communicable Diseases, Emerging / Q000453:epidemiology*; D004196:Disease Outbreaks; D006801:Humans; D020407:Internet