Serologic evidence of influenza A(H1N1)pdm09 virus in northern sea otters
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Abstract
Sporadic epizootics of pneumonia among marine mammals have been associated with multiple animal-origin influenza A virus subtypes (1–6); seals are the only known nonhuman host for influenza B viruses (7). Recently, we reported serologic evidence of influenza A virus infection in free-ranging northern sea otters (Enhydra lutris kenyoni) captured off the coast of Washington, USA, in August 2011 (8). To investigate further which influenza A virus subtype infected these otters, we tested serum samples from these otters by ELISA for antibody-binding activity against 12 recombinant hemagglutinins (rHAs) from 7 influenza A hemagglutinin (HA) subtypes and 2 lineages of influenza B virus (Technical Appendix Table 1). Estimated ages for the otters were 2–19 years (Technical Appendix Table 2); we also tested archived serum samples from sea otters of similar ages collected from a study conducted during 2001–2002 along the Washington coast (9).
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Serologic evidence of influenza A(H1N1)pdm09 virus in northern sea otters |
| Series title | Emerging Infectious Diseases |
| DOI | 10.3201/eid2005.131890 |
| Volume | 20 |
| Issue | 5 |
| Year Published | 2014 |
| Language | English |
| Publisher | Centers for Disease Control and Prevention |
| Contributing office(s) | National Wildlife Health Center |
| Country | United States |
| State | Washington |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |