Rift Valley fever virus infection in African Buffalo (Syncerus caffer) herds in rural South Africa: Evidence of interepidemic transmission
American Journal of Tropical Medicine and Hygiene
By: A.D. LaBeaud, P.C. Cross, W.M. Getz, A. Glinka, and C.H. King
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Abstract
Rift Valley fever virus (RVFV) is an emerging biodefense pathogen that poses significant threats to human and livestock health. To date, the interepidemic reservoirs of RVFV are not well defined. In a longitudinal survey of infectious diseases among African buffalo during 2000-2006, 550 buffalo were tested for antibodies against RVFV in 820 capture events in 302 georeferenced locations in Kruger National Park, South Africa. Overall, 115 buffalo (21%) were seropositive. Seroprevalence of RVFV was highest (32%) in the first study year, and decreased progressively in subsequent years, but had no detectable impact on survival. Nine (7%) of 126 resampled, initially seronegative animals seroconverted during periods outside any reported regional RVFV outbreaks. Seroconversions for RVFV were detected in significant temporal clusters during 2001-2003 and in 2004. These findings highlight the potential importance of wildlife as reservoirs for RVFV and interepidemic RVFV transmission in perpetuating regional RVFV transmission risk. Copyright ?? 2011 by The American Society of Tropical Medicine and Hygiene.
Suggested Citation
LaBeaud, A., Cross, P., Getz, W., Glinka, A., King, C., 2011, Rift Valley fever virus infection in African Buffalo (Syncerus caffer) herds in rural South Africa: Evidence of interepidemic transmission: American Journal of Tropical Medicine and Hygiene, v. 84, no. 4, p. 641-646, https://doi.org/10.4269/ajtmh.2011.10-0187.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Rift Valley fever virus infection in African Buffalo (Syncerus caffer) herds in rural South Africa: Evidence of interepidemic transmission |
| Series title | American Journal of Tropical Medicine and Hygiene |
| DOI | 10.4269/ajtmh.2011.10-0187 |
| Volume | 84 |
| Issue | 4 |
| Year Published | 2011 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | American Journal of Tropical Medicine and Hygiene |
| First page | 641 |
| Last page | 646 |