Rickettsia africae is an intracellular gram-negative bacteria which belongs to the
Spotted Fever Group (SFG). It is transmitted by Amblyomma hebraeum ticks in
Southern Africa and Amblyomma variegatum in West, Central and Eastern Africa
(Kelly et al., 1992). It causes African Tick Bite Fever (ATBF) in humans and has
mostly been reported in tourists who visit Southern Africa (Raoult et al., 2001).
Transovarial and transstadial transmission of R. africae in A. hebraeum ticks has
been proved (Kelly & Mason, 1991). The aim of the study was to investigate R. africae infection in A. hebraeum ticks in Mnisi
Barnard, Helena(NISC Pty (Ltd) and Informa Limited (trading as Taylor and Francis Group), 2020)
This paper grew out of a keynote I delivered at the Academy of International Business Africa chapter meeting in Ghana, 2019, and was further honed in the review process. I share how emotionally challenging I sometimes find ...
Mkhabela, Mpumelelo Kansas(University of Pretoria, 2021)
The political significance of multinational corporations (MNCs) in Africa dates back to the colonial era, when they acted as agents of their home countries after colonial conquest. The attainment of independence and the ...
Nienaber, A.G. (Annelize Gertruida)(University of Pretoria, 2008-12-04)
This thesis examines the regulation of HIV-related clinical research in Africa, with special emphasis on preventive HIV vaccine efficacy trails in South Africa. The discussion centres on aspects of the South African economic, ...