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Serologic Detection of Subtype-specific Antibodies to Influenza A Viruses in Southern Sea Otters (Enhydra lutris nereis).
Capuano, Alyssa M; Miller, Melissa; Stallknecht, David E; Moriarty, Megan; Plancarte, Magdalena; Dodd, Erin; Batac, Francesca; Boyce, Walter M.
Afiliación
  • Capuano AM; 1 School of Veterinary Medicine, One Shields Avenue, University of California, Davis, California 95616, USA.
  • Miller M; 2 Marine Wildlife Veterinary Care and Research Center, California Department of Fish and Wildlife, 151 McAllister Way, Santa Cruz, California 95060, USA.
  • Stallknecht DE; 3 589 D. W. Brooks Drive, Wildlife Health Building, College of Veterinary Medicine, The University of Georgia, Athens, Georgia 30602, USA.
  • Moriarty M; 2 Marine Wildlife Veterinary Care and Research Center, California Department of Fish and Wildlife, 151 McAllister Way, Santa Cruz, California 95060, USA.
  • Plancarte M; 4 Karen C. Drayer Wildlife Health Center, One Shields Avenue, University of California, Davis, California 95616, USA.
  • Dodd E; 1 School of Veterinary Medicine, One Shields Avenue, University of California, Davis, California 95616, USA.
  • Batac F; 2 Marine Wildlife Veterinary Care and Research Center, California Department of Fish and Wildlife, 151 McAllister Way, Santa Cruz, California 95060, USA.
  • Boyce WM; 2 Marine Wildlife Veterinary Care and Research Center, California Department of Fish and Wildlife, 151 McAllister Way, Santa Cruz, California 95060, USA.
J Wildl Dis ; 53(4): 906-910, 2017 10.
Article en En | MEDLINE | ID: mdl-28513329
There are approximately 3,000 southern sea otters (Enhydra lutris nereis) in the nearshore environment along the California coast, US, and the species is classified as Threatened under the Endangered Species Act. We tested sera from 661 necropsied southern sea otters sampled from 1997 to 2015 to determine overall exposure to influenza A viruses (IAVs) and to identify subtype-specific antibody responses. Using an enzyme-linked immunosorbent assay (ELISA), antibodies to IAV nucleoproteins were detected in 160 (24.2%) otters, with seropositive animals found in every year except 2008. When the ELISA-positive samples were tested by virus microneutralization, antibody responses were detected to avian-origin hemagglutinin subtypes H1, H3, H4, H5, H6, H7, H9, and H11. Strong antibody responses to pandemic H1N1 (pdmH1N1) were also detected, indicating that epizootic transmission of pdmH1N1 occurred among the southern sea otter population after the emergence of this human-origin virus in 2009. We conclude that southern sea otters are susceptible to infection with avian and human-origin IAV and that exposure to a wide array of subtypes likely occurs during a given otter's 10- to 15-yr life span. Important unanswered questions include what effect, if any, IAV infection has on sea otter health, and how these animals become infected in their nearshore environment.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Virus de la Influenza A / Nutrias / Infecciones por Orthomyxoviridae / Anticuerpos Antivirales Tipo de estudio: Diagnostic_studies Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: J Wildl Dis Año: 2017 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Virus de la Influenza A / Nutrias / Infecciones por Orthomyxoviridae / Anticuerpos Antivirales Tipo de estudio: Diagnostic_studies Límite: Animals País/Región como asunto: America do norte Idioma: En Revista: J Wildl Dis Año: 2017 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos