Ben Fraj, I Seroprevalence of Bordetella pertussis toxin antibodies in children and adolescents in Tunis, Tunisia. [electronic resource] - Epidemiology and infection 01 2019 - e199 p. digital Publication Type: Journal Article ISSN: 1469-4409 Standard No.: 10.1017/S0950268819000840 doi Subjects--Topical Terms: AdolescentAntibodies, Bacterial--bloodAntitoxins--bloodChildChild, PreschoolCross-Sectional StudiesEnzyme-Linked Immunosorbent AssayFemaleHumansImmunoglobulin G--bloodMalePertussis Toxin--immunologySeroepidemiologic StudiesTunisia--epidemiologyWhooping Cough--epidemiology