Affiliation: | 1. South African Field Epidemiology Training Programme, Johannesburg, South Africa ; 2. University of the Witwatersrand, Johannesburg, South Africa ; 3. Centre for Emerging Zoonotic and Parasitic Diseases, National Institute for Communicable Diseases, National Health Laboratory Service, Johannesburg, South Africa ; NIPD: National Institute of Parasitic Diseases, CHINA |