Zoonotic Onchocerca lupi Infection in Dogs, Greece and Portugal, 2011–2012 - Vol. 19 No. 12 - December 2013 - Emerging Infectious Disease journal - CDC
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Volume 19, Number 12—December 2013
Zoonotic Onchocerca lupi Infection in Dogs, Greece and Portugal, 2011–2012
AbstractOnchocerca lupi infection is reported primarily in symptomatic dogs. We aimed to determine the infection in dogs from areas of Greece and Portugal with reported cases. Of 107 dogs, 9 (8%) were skin snip–positive for the parasite. DNA sequences of parasites in specimens from distinct dog populations differed genetically from thoses in GenBank.
O. lupi is a recently recognized parasite causing nodular lesions associated with ocular disease (i.e., conjunctivitis, ocular swelling, photophobia, lacrimation, discharge, exophthalmia) in dogs (3). The zoonotic potential of this filarioid has been suspected (4) but has only recently been demonstrated in a patient from Turkey (5). Ocular cases in humans are increasingly being reported worldwide, including in Iran (6), Turkey, and Tunisia (7). In addition, O. lupi infection was recently diagnosed near the spinal canal in a 22-month-old child from Arizona, USA (2).