[1] Humabs BioMed SA, Via Mirasole 1, CH-6500 Bellinzona, Switzerland
[2] Univ Calif Berkeley, Sch Publ Hlth, Div Infect Dis & Vaccinol, Berkeley, CA USA
[3] Publ Hlth England, Natl Infect Serv, Salisbury, Wilts, England
[4] Univ Svizzera Italiana, Inst Res Biomed, Via Vincenzo Vela 6, CH-6500 Bellinzona, Switzerland
[5] ETH, Inst Microbiol, Wolfgang Pauli Str 10, CH-8093 Zurich, Switzerland
[6] Fdn Ist Ricovero & Cura Carattere Sci IRCCS, Policlin San Matteo, Microbiol & Virol Dept, Mol Virol Unit, Pavia, Italy
[7] Univ Oxford, Nuffield Dept Med, Ctr Trop Med, Oxford OX1 2JD, England
[8] Univ Oxford, Clin Res Unit, Ctr Trop Med, Ho Chi Minh City, Vietnam
[9] Univ Melbourne, Peter Doherty Inst, Dept Microbiol & Immunol, 792 Elizabeth St, Melbourne, Vic 3000, Australia
[10] Swiss Trop & Publ Hlth Inst, Socinstr 57, CH-4002 Basel, Switzerland
[11] Univ Basel, Petersgraben 4, CH-4031 Basel, Switzerland