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1990, Revue d'élevage et de médecine vétérinaire des pays tropicaux
Epidemiological investigation on Rift Valley fever in small ruminants was carried out in Southern Mauritania after 1988 rainy season. Relationships were found between the incidence rate and the edaphic and climatic parameters. Propositions are made to study epidemiology of this disease in this area.
2005 •
During the 2003 rainy season, the clinical and serologic incidence of Rift Valley fever was assessed in small ruminant herds living around temporary ponds located in the semi-arid region of the Ferlo, Senegal. No outbreak was detected by the surveillance system. Serologic ...
International Journal of Environmental Research and Public Health
Rift Valley Fever Outbreaks in Mauritania and Related Environmental Conditions2014 •
2007 •
In 2003, a serological study performed in the Ferlo area (northern Senegal), showed that (i) Rift valley fever was endemic; (ii) the risk of transmission depended on the pond type (Chevalier, et al. 2005). In 2004, a serological longitudinal survey was undertaken in the same area. A total of 260 sheep were sampled three times: starting, middle and end of the rainy season. Sera were tested for anti-RVF immunoglobulin G (IgG) using a seroneutralization test. Statistical analyses were performed using a generalized linear model, with the incidence as the response and the period as the explanatory variable. The overall incidence rate was lower than in 2003 (1.7% vs 5.4%). The observed incidence rate was 3% (n= 166) from August till early October. It was 5.10-3 % (n = 177) from early October till the end of November. These results associated with entomological knowledge suggested that the main period of transmission is the middle of the rainy season. Ponds infected in 2003 remained infect...
Research in Virology
Changes in Rift Valley fever neutralizing antibody prevalence among small domestic ruminants following the 1987 outbreak in the Senegal River basin1991 •
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