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Abstract
Equine hepacivirus (EqHV) belongs to the Flaviviridae family, genus Hepacivirus and has the greatest genomic identity with the hepatitis C virus (HCV), one of the main causes of chronic liver disease in humans. Due to the limited applicability of studies of HCV in animal hosts, the interest in studies of characterization of viral homologues has been growing. For this reason, we performed a systematic review of the literature with meta-analysis of the prevalence of EqHV and genetic sequencing studies. Twenty-three studies from four different continents were analyzed. The OR meta-analysis (0.98; 95% CI = 0.69–1.39) showed no influence of sex (female or male) on the risk of infection. Variables associated with EqHV infection were indirectly related to animal management such as transport, reproductive practices, among others. The combined prevalence of positive animals was 7.88% (95% CI = 5.23–11.69%), with the highest proportions in Asia (16.13%; 95% CI = 7.79–30.43%), followed by South America (12.03%; 95% CI = 9.58–15.01%), Africa (8.69%; 95% CI = 6.71–11.20%), and Europe (3.63%; 95% CI = 2.10–6.22%). However, these results represent the regional stratification of the epidemiological studies for EqHV published to date and, therefore, cannot extrapolate to determine the continental prevalence of EqHV. It is therefore important to update the systematic review as further research becomes available.
Published Version
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