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Volume 22, Number 7—July 2016

Infection with Possible Novel Parapoxvirus in Horse, Finland, 2013

Niina AirasComments to Author , Maria Hautaniemi, Pernilla Syrjä, Anna Knuuttila, Niina Putkuri1, Lesley Coulter, Colin J. McInnes, Olli Vapalahti, Anita Huovilainen, and Paula M. Kinnunen2
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)

Main Article


Histopathologic and PCR findings in samples from a horse infected with parapoxvirus, Finland, 2013*

Source Histopathology PPV PCR(10), RNA polymerase gene Pan-PPV PCR (11), high GC, ENV gene Other poxvirus PCRs (6,10)†
Skin lesions
Severe multifocal proliferative lymphohistiocytic dermatitis
Postmortem samples
Skin lesions Severe multifocal proliferative lymphohistiocytic dermatitis Positive Positive Negative
Lung Severe diffuse lymphohistiocytic interstitial pneumonia Negative Negative Negative
Intestines Moderate diffuse lymphohistiocytic enteritis Negative Negative Negative
Intestinal lymph nodes Moderate multifocal lymphohistiocytic inflammation Negative Negative Negative

*ENV, envelope phospholipase; GC, guanine-cytosine; PPV, parapoxvirus.
†See Technical Appendix Table.

Main Article

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Main Article

1Current affiliation: Turku University Hospital, Turku, Finland.

2Current affiliation: Finnish Food Safety Authority Evira, Helsinki, Finland.

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Page updated: June 14, 2016
Page reviewed: June 14, 2016
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