title: Irlam et al. respond.
authors.forename: James H
authors.initials: JH
authors.lastname: Irlam
authors.forename: Bongani M
authors.initials: BM
authors.lastname: Mayosi
authors.forename: Mark E
authors.initials: ME
authors.lastname: Engel
authors.forename: Thomas A
authors.initials: TA
authors.lastname: Gaziano
authors.forename: Andrew C
authors.initials: AC
authors.lastname: Whitelaw
mesh_terms: D006801:Humans; D010406:Penicillins; D010612:Pharyngitis / Q000175:diagnosis*; D012041:Regional Medical Programs / Q000191:economics*; D012213:Rheumatic Fever / Q000517:prevention & control*; D012214:Rheumatic Heart Disease / Q000517:prevention & control*; D013290:Streptococcal Infections / Q000175:diagnosis*; D013297:Streptococcus pyogenes / Q000187:drug effects*
chemical_list: D010406:Penicillins