title: Authors' reply to Kremer and Van de Perre.
authors.affiliation: Liverpool School of Tropical Medicine, Liverpool L3 5QA, UK nicholas.beeching@rlbuht.nhs.uk.
authors.forename: Nicholas J
authors.initials: NJ
authors.lastname: Beeching
authors.affiliation: Royal Liverpool University Hospital, Liverpool, UK.
authors.forename: Manuel
authors.initials: M
authors.lastname: Fenech
authors.affiliation: London School of Hygiene and Tropical Medicine, London, UK.
authors.forename: Catherine F
authors.initials: CF
authors.lastname: Houlihan
mesh_terms: D019142:Hemorrhagic Fever, Ebola; D006801:Humans