'In this article, we review IAV strains circulating in the North American swine population, as well as porcine innate and acquired immune responses to IAV, including recent advances achieved through immunological tools developed specifically for swine.'

https://journals.aai.org/jimmunol/article-abstract/211/8/1187/265934/From-Snoot-to-Tail-A-Brief-Review-of-Influenza?redirectedFrom=fulltext