Influenza D Virus Infection in Feral Swine Populations, United States

Emerging Infectious Diseases
Lucas FergusonXiu-Feng Wan

Abstract

Influenza D virus (IDV) has been identified in domestic cattle, swine, camelid, and small ruminant populations across North America, Europe, Asia, South America, and Africa. Our study investigated seroprevalence and transmissibility of IDV in feral swine. During 2012-2013, we evaluated feral swine populations in 4 US states; of 256 swine tested, 57 (19.1%) were IDV seropositive. Among 96 archived influenza A virus-seropositive feral swine samples collected from 16 US states during 2010-2013, 41 (42.7%) were IDV seropositive. Infection studies demonstrated that IDV-inoculated feral swine shed virus 3-5 days postinoculation and seroconverted at 21 days postinoculation; 50% of in-contact naive feral swine shed virus, seroconverted, or both. Immunohistochemical staining showed viral antigen within epithelial cells of the respiratory tract, including trachea, soft palate, and lungs. Our findings suggest that feral swine might serve an important role in the ecology of IDV.

References

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Apr 28, 2009·Journal of Wildlife Diseases·A Christy WyckoffKurt C VerCauteren
Aug 3, 2012·Animal Health Research Reviews·Shaun KernaghanJanet I MacInnes
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Jan 30, 2015·Emerging Infectious Diseases·Mariette F DucatezGilles Meyer
Sep 18, 2015·Journal of Virology·Chithra SreenivasanFeng Li
Sep 21, 2015·Virology·Lucas FergusonXiu-Feng Wan
Sep 29, 2015·Veterinary Microbiology·Megan QuastFeng Li
Jan 27, 2016·Emerging Infectious Diseases·Chiara ChiapponiEmanuela Foni
Apr 1, 2016·Journal of Virology·Lucas FergusonXiu-Feng Wan
Jul 21, 2016·Emerging Infectious Diseases·Shin MurakamiTaisuke Horimoto
Sep 30, 2016·PloS One·Taisuke HorimotoShin Murakami
Jul 21, 2017·Emerging Infectious Diseases·Shao-Lun ZhaiFeng Li
Jul 25, 2017·Applied and Environmental Microbiology·Brigitte E MartinXiu-Feng Wan

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Citations

Jun 20, 2019·Viruses·Chithra C SreenivasanFeng Li
Feb 16, 2019·Journal of Clinical Medicine·Kumari Asha, Binod Kumar
Oct 19, 2019·Emerging Infectious Diseases·Simone SilveiraJohn D Neill
Jan 2, 2020·Viruses·Claudia M TrombettaEmanuele Montomoli
Nov 30, 2019·Journal of Virology·J OlivaM F Ducatez
Feb 28, 2020·Journal of Virology·Hiroho IshidaTaisuke Horimoto
Nov 20, 2020·The Journal of General Virology·Jieshi YuDan Wang
Nov 30, 2020·Transboundary and Emerging Diseases·Claude SaegermanMariette F Ducatez
Dec 2, 2020·Transboundary and Emerging Diseases·Bryan S KaplanAmy L Vincent
Sep 16, 2020·Current Opinion in Virology·Runxia LiuFeng Li

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