[1] Int Soc Infect Dis, Boston, MA 02446 USA
[2] Chinese Univ Hong Kong, SH Ho Res Ctr Infect Dis, Hong Kong Special Adm Reg, Hong Kong, Peoples R China
[3] World Hlth Org Reg Off Afr Dakar Hub, WHO Emergencies Preparedness & Response EPR, Dakar Hub, Dakar, Senegal
[4] UCL, Ctr Clin Microbiol, Div Infect & Immun, London, England
[5] Univ Coll London Hosp NHS Fdn Trust, Natl Inst Hlth Res NIHR, Biomed Res Ctr, London, England