title: Editorial.
authors.affiliation: IBioBA-MPSP, Godoy Cruz 2390, C1425FQD Buenos Aires, Argentina.
authors.forename: Eduardo
authors.initials: E
authors.lastname: Arzt
authors.affiliation: Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Ave. Brasil 4365, Manguinhos, Rio de Janeiro, Brazil.
authors.forename: Wilson
authors.initials: W
authors.lastname: Savino
authors.affiliation: Institut Pasteur de Montevideo, Mataojo 2020, Montevideo 11400, Uruguay.
authors.forename: Luis
authors.initials: L
authors.lastname: Barbeito
mesh_terms: D012586:Science; D013020:South America