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Detective of swine influenza virus (SIV) in Liaoning province. (A) Geographical distribution of sampling cities in Liaoning in 2020. The red color represents the isolation rate (%) of each city. (B) SIV detection rates in each city of Liaoning. SY, Shenyang; FS, Fushun; PJ, Panjin; DL, Dalian; JZ, Jinzhou; FX, Fuxin; LY, Liaoyang; AS, Anshan; TL, Tieling; CY, Chaoyang; HLD, Huludao.
