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).
Suggested Citation
Li, Z., Ip, S., Frost, J.F., White, C.L., Murray, M., Carney, P.J., Sun, X., Stevens, J., Levine, M.Z., Katz, J.M., 2014, Serologic evidence of influenza A(H1N1)pdm09 virus in northern sea otters: Emerging Infectious Diseases, v. 20, no. 5, https://doi.org/10.3201/eid2005.131890.
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 |