Contagious ecthyma is a common, worldwide, and highly transmissible viral zoonotic skin disease caused by the orf virus (ORFV). It mainly affects farmed small ruminants, but it has also been described in a broad range of wild and domestic mammals, with Caprinae species most susceptible. Between November 2019 and January 2020, adults, juveniles, yearlings, and kids from an Iberian ibex (Capra pyrenaica) population established in the Montgrí Massif Natural Park (Catalonia, northeastern Spain) were observed with clinical signs and lesions compatible with ORFV infection. The carcass of an adult male with severe disease enabled sample collection for histopathology and molecular studies, confirming ORFV DNA in the skin lesions. Sequence analyses indicated that the ORFV strain detected had high homology (>98%) with strains previously obtained from other European wild ruminant species. The outbreak peaked in December 2019, with an estimated prevalence of 68.97% (95% confidence interval, 53.35–84.59). From February 2020 forward, no individuals with lesions were observed. The yearly counts for population monitoring corroborated the apparently negligible ORFV impact on the ibex population of the Montgrí Natural Park. There are no previous reports of contagious ecthyma in a free-ranging Iberian ibex population.
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16 October 2024
OUTBREAK OF CONTAGIOUS ECTHYMA IN FREE-RANGING IBERIAN IBEX (CAPRA PYRENAICA) IN THE MONTGRÍ MASSIF NATURAL PARK, CATALONIA, NORTHEASTERN SPAIN
Josep Estruch,
Emmanuel Serrano,
Remigio Martínez,
Ignacio García-Bocanegra,
Marta Valldeperes,
Jordi Ruiz-Olmo,
Jordi Bartolomé,
Albert Alemany,
Santiago Lavín,
Roser Velarde
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Journal of Wildlife Diseases
Vol. 60 • No. 4
October 2024
Vol. 60 • No. 4
October 2024
monitoring
morbidity
mortality
orf disease
Parapoxvirus
