Dolphin Morbillivirus Associated with a Mass Stranding of Sperm Whales, Italy
, Cinzia Centelleghe, Andrea Di Provvido, Ludovica Di Renzo, Giusy Cardeti, Antonella Cersini, Gianluca Fichi, Antonio Petrella, Cristina Esmeralda Di Francesco, Walter Mignone, Cristina Casalone, and Giovanni Di Guardo
Author affiliations: University of Padova Department of Comparative Biomedicine and Food Science, Padua, Italy (S. Mazzariol, C. Centelleghe); Istituto Zooprofilattico Sperimentale dell’Abruzzo e Molise, Teramo, Italy (A. Di Provvido, L. Di Renzo); Istituto Zooprofilattico Sperimentale del Lazio e della Toscana, Rome, Italy (G. Cardeti, A. Cersini); Istituto Zooprofilattico Sperimentale del Lazio e della Toscana, Pisa, Italy (G. Fichi); Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Foggia, Italy (A. Petrella); University of Teramo Faculty of Veterinary Medicine, Teramo (G. Di Guardo G., C.E. Di Francesco); Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Imperia, Italy (W. Mignone); Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Turin, Italy (C. Casalone)
Figure. Spleen of the youngest female sperm whale (SW3) in study of 7 sperm whales stranded along Italy’s Adriatic coastline in September 2014. Positive immunostaining (Mayer’s hematoxylin counterstain) for morbilliviral antigen is shown in monocytes within vascular lumina and in follicular dendritic-like cells in the splenic white pulp. Morbillivirus immunohistochemistry was conducted with a murine monoclonal antibody against canine distemper virus nucleoprotein (VMRD Inc., Pullman, WA, USA). Original magnification ×20; scale bar indicates 50 μm.
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