Antoinette A. Grobbelaar, Jacqueline Weyer, Patricia A. Leman, Alan Kemp, Janusz T. Paweska, and Robert Swanepoel
Author affiliations: National Institute for Communicable Diseases of the National Health Service, Sandringham, South Africa (A.A. Grobbelaar, J. Weyer, P.A Leman, A. Kemp, J.T. Paweska, R. Swanepoel); University of Pretoria, Pretoria, South Africa (R. Swanepoel)
Figure 1. Annual sales of Smithburn neurotropic strain animal vaccine produced in South Africa in relation to cumulative viral lineages isolated and human deaths in major outbreaks of Rift Valley fever (RVF) in Africa and Saudi Arabia, 1944–2010. Broken arrows indicate RVF outbreaks without human deaths recorded, and solid arrows indicate RVF outbreaks with human deaths. RSA, Republic of South Africa; NAM, Namibia; ZIM, Zimbabwe; MOZ, Mozambique; KEN, Kenya; EGY, Egypt; SUD, Sudan; ZAM, Zambia; MAU, Mauritania; MAD, Madagascar; TAN, Tanzania; SOM, Somalia; SAU, Saudi Arabia; YEM, Yemen.
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