Zoonotic Onchocerca in a Japanese Child

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  • Department of Tropical Medicine, Tulane University School of Public Health and Tropical Medicine, Department of Parsitology, School of Medicine, Kanazawa University, Department of Dermatology, Oita Medical College, New Orleans, Louisiana, Japan

A female Onchocerca was found in histopathological sections of a nodule removed from the foot of a 2-year-old girl in southern Japan. As in previously reported cases in Switzerland, Crimea, Canada, and the USA, evident morphological features of the worm resembled those of Onchocerca gutturosa and O. cervicalis, which are known to exist in cervical ligaments of cattle and horses, respectively, in Japan and elsewhere.