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Volume 19, Number 6—June 2013
Research

Transmission Potential of Rift Valley Fever Virus over the Course of the 2010 Epidemic in South Africa

Raphaëlle MétrasComments to Author , Marc Baguelin, W. John Edmunds, Peter N. Thompson, Alan Kemp, Dirk U. Pfeiffer, Lisa M. Collins, and Richard G. White
Author affiliations: Royal Veterinary College, Hatfield, UK (R. Métras, D.U. Pfeiffer); London School of Hygiene and Tropical Medicine, London, UK (R. Métras, M. Baguelin, W.J. Edmunds, R.G. White); Health Protection Agency, London (M. Baguelin); University of Pretoria, Pretoria, South Africa (P.N. Thompson); National Institute for Communicable Diseases, Sandringham, South Africa (A. Kemp); Queen’s University Belfast, Belfast, Northern Ireland, UK (L.M. Collins)

Main Article

Table 1

Number of farms affected by Rift Valley fever before and during first 4.5 months of the 2010 epidemic, South Africa

Province No. (%) farms affected
Before the epidemic
 First 4.5 months of the epidemic
Period 1, April 1, 2009–January 18, 2010* Period 2, January 19–March 31, 2010* Period 3, April 1–May 31, 2010† Periods 2 and 3, January 19–May 31, 2010
Free State 0 (0) 208 (66.9) 41 (27.2) 249 (53.9)
Northern Cape 19 (67.9) 61 (19.6) 54 (35.8) 115 (24.9)
Eastern Cape 0 24 (7.7) 26 (17.2) 50 (10.9)
Kwazulu-Natal 8 (28.6) 0 0 (0) 0
North West 0 7 (2.3) 8 (5.3) 15 (3.2)
Mpumalanga 1 (3.6) 5 (1.6) 0 5 (1.1)
Western Cape 0 4 (1.3) 20 (13.2) 24 (5.2)
Gauteng 0 2 (0.6) 1 (0.7) 3 (0.6)
Limpopo 0 0 1 (0.7) 1 (0.2)
All provinces 28 (100.0) 311 (100.0) 151 (100.0) 462 (100.0)

          *A total of 3.4 million Rift Valley fever vaccine doses were sold during Periods 1 and 2.
†5.8 million Rift Valley fever vaccine doses were sold during Period 3.

Main Article

Page created: May 20, 2013
Page updated: May 20, 2013
Page reviewed: May 20, 2013
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