1. 1South African Military Health Service, AMHU NC HQ, Department of Defence, South Africa;
2. 2Inkosi Albert Luthuli Central Hospital Academic Complex, Kwa-Zulu Natal, South Africa;
3. 3Centre for Emerging Zoonotic and Parasitic Infections, National Institute for Communicable Diseases, Division of the National Health Laboratory Service, Johannesburg, South Africa;
4. 4Department of Medical Microbiology, National Health Laboratory Service, Durban, South Africa;
5. 5School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa;
6. 6Department of Paediatrics, University of KwaZulu-Natal, South Africa