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Data from: The pathogenesis of a 2022 North American highly pathogenic clade 2.3.4.4b H5N1 avian influenza virus in mallards (Anas platyrhynchos)
,Treatment groups of ducks were exposed to different virus doses (2, 4, 6 log10 50% egg infectious doses) and by different routes (contact or intrachoanal). The experimental setting was a laboratory with animal care as approved by the institutional animal care and use committee as appropriate for the species and age of bird. Data are the virus titers shed by the oral and cloacal route for individual mallard ducks exposed to H5N1 highly pathogenic avian influenza virus by day post exposure. Samples were collected through 11 days post exposure. Virus titer equivalents were determined by quantitative real-time RT-PCR. Serological data are serum antibody titers to the challenge virus as determined by hemagglutination inhibition assay (reciprocal of the log2 dilution) determined with serum collected 10 or 11 days post exposure.,,
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Data for Genomic Characterization of Highly Pathogenic H5 Avian Influenza Viruses from Alaska in 2022
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This data set describes genomic sequence information from 2022 used to infer spatiotemporal trends pertaining to the introductions of highly pathogenic H5N1 avian influenza viruses into Alaska and spread among wild birds, backyard poultry, and mammals.
Data for Genomic Characterization of Highly Pathogenic H5 Avian Influenza Viruses from Alaska in 2022
공공데이터포털
This data set describes genomic sequence information from 2022 used to infer spatiotemporal trends pertaining to the introductions of highly pathogenic H5N1 avian influenza viruses into Alaska and spread among wild birds, backyard poultry, and mammals.
Data describing IAV infection and seroprevalence in Lesser and Greater Scaup
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Clade 2.3.4.4b Eurasian-origin H5N1 entered North America in late 2021 and spread across the continent. While studies have characterized the antibody response mounted by dabbling ducks following exposure, little data is available for diving ducks. This study sought to identify influenza A virus (IAV) infection and antibodies in Lesser and Greater Scaup captured in Maryland, Illinois, and Rhode Island. In Maryland, IAV seroprevalence increased from the 2021/2022 to 2022/2023 sampling season, with IAV antibody prevalence increasing for juvenile (38% to 80%) and adult (82% to 90%) Lesser Scaup. While adult Lesser Scaup sampled in Illinois in 2021/2022 had IAV antibody prevalence comparable to those sampled in Maryland (76% and 82%, respectively), they had higher antibody prevalence to both H5 (48% and 18%) and N1 (68% and 35%), potentially due to being sampled in March versus December and January. Greater Scaup captured in Rhode Island had comparable IAV, H5, and N1 antibody seroprevalence to Lesser Scaup in Maryland during the same season. Our data suggest that Lesser Scaup had limited antibodies to highly pathogenic H5 IAV prior to the introduction of clade 2.3.4.4b H5N1 to North America, but relevant antibodies were widely observed in the months and year following.
Influenza A Viruses and Antibody Response in High-Latitude Urban Wintering Mallards (Anas platyrhynchos), Alaska, 2012-2015
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This data set contains information regarding the sampling of avian influenza viruses from mallard ducks at locations in Anchorage and Fairbanks, Alaska 2012-2015. Data pertaining to wild birds (mallards) sampled includes band numbers, age and sex, location and timing of sampling. Laboratory specific data is also included and used to identify presence and absence of avian influenza viruses either during active infection or previous exposure (serostatus).
Influenza A Viruses and Antibody Response in High-Latitude Urban Wintering Mallards (Anas platyrhynchos), Alaska, 2012-2015
공공데이터포털
This data set contains information regarding the sampling of avian influenza viruses from mallard ducks at locations in Anchorage and Fairbanks, Alaska 2012-2015. Data pertaining to wild birds (mallards) sampled includes band numbers, age and sex, location and timing of sampling. Laboratory specific data is also included and used to identify presence and absence of avian influenza viruses either during active infection or previous exposure (serostatus).
Database collating previous laboratory investigations into the pathogenesis of avian influenza viruses in wild avifauna of North America (ver. 2.0, August 2024)
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A compilation of previously published results exploring the pathogenesis of avian influenza viruses in wild avian species in North America.
Data concerning maintenance and dissemination of avian-origin influenza A virus within the Northern Atlantic Flyway of North America
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This data release details the results of avian influenza sampling of dabbling ducks in Maine and Maryland. These data support an associated USGS publication.
Data concerning maintenance and dissemination of avian-origin influenza A virus within the Northern Atlantic Flyway of North America
공공데이터포털
This data release details the results of avian influenza sampling of dabbling ducks in Maine and Maryland. These data support an associated USGS publication.
Data describing the lack of Avian influenza infection and antibodies in Eastern Wild Turkeys (Meleagris gallopavo silvestris) sampled in Delmarva, USA
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These data describe avian influenza sampling efforts for eastern wild turkeys (Meleagris gallopavo silvestris) across the Maryland portion of the Delmarva Peninsula, USA in the winter of 2023-2024
Molecular Detection and Characterization of Highly Pathogenic H5N1 Avian Influenza Viruses in Wild Birds Inhabiting Western Alaska Provides Evidence for Three Independent Viral Introductions
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This data set describes three independent viral introductions of Highly pathogenic H5N1 avian influenza viruses into Alaska.
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