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1 January 2015 SPATIAL AND TEMPORAL PATTERNS OF AVIAN PARAMYXOVIRUS-1 OUTBREAKS IN DOUBLE-CRESTED CORMORANTS (PHALACROCORAX AURITUS) IN THE USA
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Abstract
Morbidity and mortality events caused by avian paramyxovirus-1 (APMV-1) in Double-crested Cormorant (DCCO; Phalacrocorax auritus) nesting colonies in the US and Canada have been sporadically documented in the literature. We describe APMV-1 associated outbreaks in DCCO in the US from the first reported occurrence in 1992 through 2012. The frequency of APMV-1 outbreaks has increased in the US over the last decade, but the majority of events have continued to occur in DCCO colonies in the Midwestern states. Although morbidity and mortality in conesting species has been frequently reported during DCCO APMV-1 outbreaks, our results suggest that isolation of APMV-1 is uncommon in species other than DCCO during APMV-1 outbreaks and that the cause of mortality in other species is associated with other pathogens. Populations of DCCO do not appear to have been significantly affected by this disease; however, because at least 65% of the APMV-1 outbreaks in DCCO in the US have involved APMV-1 strains classified as virulent to poultry (virulent Newcastle disease virus), its persistence and increased occurrence in DCCO warrants continued research and surveillance.
Wildlife Disease Association 2015
C. LeAnn White, Hon S. Ip, Carol U. Meteyer, Daniel P. Walsh, Jeffrey S. Hall, Michelle Carstensen and Paul C. Wolf "SPATIAL AND TEMPORAL PATTERNS OF AVIAN PARAMYXOVIRUS-1 OUTBREAKS IN DOUBLE-CRESTED CORMORANTS (PHALACROCORAX AURITUS) IN THE USA," Journal of Wildlife Diseases 51(1), (1 January 2015). https://doi.org/10.7589/2014-05-132
Received: 20 May 2014; Accepted: 1 August 2014; Published: 1 January 2015
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