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Fig. 2 | Porcine Health Management

Fig. 2

From: A systematic review of influenza A virus prevalence and transmission dynamics in backyard swine populations globally

Fig. 2

PRISMA chart illustrating the search strategy for identifying the relevant full-text research articles available in NCBI-PubMed and Google Scholar databases up to 11 July 2021 for inclusion in the study. Full-text original research articles which investigated molecular and/or serological prevalence of IAV exclusively in backyard swine populations were included in systematic review

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