Crimean-Congo hemorrhagic fever virus (CCHFV) RNA has been detected in ticks feeding on domestic and wild animals in Spain, suggesting a circulation of CCHFV in Western Europe. Additionally, two CCHFV seropositive human cases have been reported in southern Portugal in 1985. A surveillance of anti-CCHFV IgG in sheep of Portugal using a commercial double-antigen enzyme-linked immunosorbent assay showed that 0.4% positive for IgG against CCHFV (n=459), suggesting a geographic expansion of CCHFV to this country.
Friday, July 22, 2022
Crimean-Congo hemorrhagic fever virus circulating among sheep of Portugal: a nationwide serosurvey assessment
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