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Adaptation of Human Influenza Viruses to Swine

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 22 Jan 2019Publisher:Frontiers Media SAJournal:Frontiers in Veterinary Science, volume 5 (eissn: 2297-1769,

Authors: Daniel R. Perez; Amy L. Vincent; Daniela S. Rajao;

doi: 10.3389/fvets.2018.00347

pmid: 30723723

pmc: PMC6349779

Adaptation of Human Influenza Viruses to Swine

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Abstract

A large diversity of influenza A viruses (IAV) within the H1N1/N2 and H3N2 subtypes circulates in pigs globally, with different lineages predominating in specific regions of the globe. A common characteristic of the ecology of IAV in swine in different regions is the periodic spillover of human seasonal viruses. Such human viruses resulted in sustained transmission in swine in several countries, leading to the establishment of novel IAV lineages in the swine host and contributing to the genetic and antigenic diversity of influenza observed in pigs. In this review we discuss the frequent occurrence of reverse-zoonosis of IAV from humans to pigs that have contributed to the global viral diversity in swine in a continuous manner, describe host-range factors that may be related to the adaptation of these human-origin viruses to pigs, and how these events could affect the swine industry.

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University of Georgia Press
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Keywords

interspecies, Veterinary medicine, host range, swine, adaptation, SF600-1100, influenza A virus, Veterinary Science, human

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	83
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 1%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 1%