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Survey of viral hemorrhagic septicemia virus in Pacific herring throughout the North Pacific Ocean

Throughout a 20-year biosurveillance period, viral hemorrhagic septicemia virus was isolated in low titers from only 6 / 7,355 opportunistically sampled adult Pacific herring, reflecting the typical endemic phase of the disease when the virus persists covertly. However, more focused surveillance efforts identified the presence of disease hot spots occurring among juvenile life history stages from certain nearshore habitats. These outbreaks sometimes recurred annually in the same temporal and spatial patterns and were characterized by infection prevalence as high as 96%. Longitudinal sampling indicated that some epizootics were relatively transient, represented by positive samples on a single sampling date, and others were more protracted, with positive samples occurring throughout the first 10 weeks of the juvenile life history phase. Sampling and biological data associated with these surveillances are presented in this dataset.

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Author(s) Paul K Hershberger orcid
Publication Date 2021-09-27
Beginning Date of Data 2003-02-06
Ending Date of Data 2020-10-06
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DOI https://doi.org/10.5066/P9F55KEO
Citation Hershberger, P.K., 2021, Survey of viral hemorrhagic septicemia virus in Pacific herring throughout the North Pacific Ocean: U.S. Geological Survey data release, https://doi.org/10.5066/P9F55KEO.
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Metadata Date 2021-09-27
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License http://www.usa.gov/publicdomain/label/1.0/
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Harvest Source: ScienceBase
Harvest Date: 2024-04-30T15:20:04.473Z