Contemporary epidemiological data of Rift Valley fever virus in humans, mosquitoes and other animal species in Africa: A systematic review and meta‐analysis

Autor: Jean Thierry Ebogo‐Belobo, Sebastien Kenmoe, Ngu Njei Abanda, Arnol Bowo‐Ngandji, Donatien Serge Mbaga, Jeannette Nina Magoudjou‐Pekam, Ginette Irma Kame‐Ngasse, Serges Tchatchouang, Elisabeth Zeuko'o Menkem, Etienne Atenguena Okobalemba, Efietngab Atembeh Noura, Dowbiss Meta‐Djomsi, Martin Maïdadi‐Foudi, Josiane Kenfack‐Zanguim, Raoul Kenfack‐Momo, Cyprien Kengne‐Nde, Seraphine Nkie Esemu, Wilfred Fon Mbacham, Serge Alain Sadeuh‐Mba, Lucy Ndip, Richard Njouom
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Veterinary Medicine and Science, Vol 9, Iss 5, Pp 2309-2328 (2023)
Druh dokumentu: article
ISSN: 2053-1095
DOI: 10.1002/vms3.1238
Popis: Abstract Rift Valley fever (RVF) is a severe zoonotic mosquito‐borne disease that represents an important threat to human and animal health, with major public health and socioeconomic impacts. This disease is endemic throughout many African countries and the Arabian Peninsula. This systematic review with meta‐analysis was conducted to determine the RVF prevalence in humans, mosquitoes and other animal species in Africa. The review also provides contemporary data on RVF case fatality rate (CFR) in humans. In this systematic review with meta‐analysis, a comprehensive literature search was conducted on the PubMed, Embase, Web of Science and Global Index Medicus databases from January 2000 to June 2022 to identify relevant studies. Pooled CFR and prevalence estimates were calculated using the random‐effects model. Subgroup analysis and sensitivity analysis were performed, and the I2‐statistic was used to investigate a potential source of heterogeneity. A total of 205 articles were included in the final analysis. The overall RVF CFR in humans was found to be 27.5% [95% CI = 8.0–52.5]. The overall pooled prevalence was 7.8% [95% CI = 6.2–9.6] in humans and 9.3% [95% CI = 8.1–10.6] in animals, respectively. The RVF prevalence in individual mosquitoes ranged from 0.0% to 25%. Subgroup analysis showed substantial heterogeneity with respect to geographical regions and human categories. The study shows that there is a correspondingly similar prevalence of RVF in human and animals; however, human CFR is much higher than the observed prevalence. The lack of a surveillance programme and the fact that this virus has subclinical circulation in animals and humans could explain these observations. The implementation of a One Health approach for RVF surveillance and control would be of great interest for human and animal health.
Databáze: Directory of Open Access Journals
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