Infection with Possible Novel Parapoxvirus in Horse, Finland, 2013
Niina Airas
, Maria Hautaniemi, Pernilla Syrjä, Anna Knuuttila, Niina Putkuri
1, Lesley Coulter, Colin J. McInnes, Olli Vapalahti, Anita Huovilainen, and Paula M. Kinnunen
2
Author affiliations: University of Helsinki Faculty of Veterinary Medicine, Helsinki, Finland (N. Airas, P. Syrjä, A. Knuuttila, O. Vapalahti, P.M. Kinnunen); Finnish Food Safety Authority Evira, Helsinki (M. Hautaniemi, A. Huovilainen); Haartman Institute, University of Helsinki, Helsinki (N. Putkuri, O. Vapalahti, P.M. Kinnunen); Moredun Research Institute, Penicuik, UK (L. Coulter, C.J. McInnes); Helsinki University Central Hospital, Helsinki (O. Vapalahti)
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Figure 1
Figure 1. Macroscopic and histologic images of horse infected with possible novel parapoxvirus, Finland, 2013. A) Proliferative and ulcerative skin lesions were seen multifocally on the muzzle, ventral abdomen, and lower limbs (pictured). B) The main histological changes in samples of the skin lesions were severe multifocal lymphohistiocytic dermatitis with marked ballooning degeneration of the stratum granulosum and eosinophilic intrasytoplasmic inclusion bodies in many keratinocytes (arrows). Scale bar indicates 50 μm.
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