Publication Date: 2023/12/28
Abstract: Background: Rift Valley Fever (RVF) is a vector-borne zoonosis that severely affects different species of domestic and wild ruminants and humans. RVF is on the list of diseases to be notified to the World Organization for Animal Health due to its zoonotic nature and its economic importance, linked to direct losses in animals and restrictions on animal trade. on feet resulting from the declaration of outbreaks. Methods : A retrospective analytical cross-sectional study in livestock in Mauritania, on RVF surveillance data in 2020. The study population consists of all the animals sampled and analyzed in the virology laboratory at the National Office of Livestock Research and Development in Nouakchott during the year 2020. The analysis was carried out using Epi-info® 7.4 and the Excel® 2019 spreadsheet. Proportions, frequencies, ORs with their 95% CI and P value were calculated. The results were presented in the form of tables and figures. Results : Out of 1110 notified cases of RVF in cattle, 208 cases were confirmed including 94 camels (45.19%), 55 goats (26.44%), 39 sheep (18.75%) and 20 cattle (9. 62%). The age group from 0 to 5 years was the most represented (735/1110), or 52.2% of cases, and 359/1110, or 32.34% of cases were between 6 and 9 years old. The average age was 4.6 years. RVF foci are more observed in the regions of Tagant, Brakna, Trarza and Hodh Chergui. The RVF varied significantly (p<0.05) with the state of rainfall, the state of the ponds and the mosquito pressure. Conclusion: The overall prevalence of RVF in the country was 17.24%. The highest prevalence was recorded in the regions of Tagant, Assaba, Trarza and Hodh Chargui. Multivariate analysis revealed that there is a significant association between rainfall status, pond status and mosquito pressure with RVF seropositivity.
Keywords: Domestics ruminants, Associated factors, Rift Valley Fver, Mauritania.
DOI: https://doi.org/10.5281/zenodo.10438892
PDF: https://ijirst.demo4.arinfotech.co/assets/upload/files/IJISRT23DEC1117.pdf
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