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. 2021 Mar 19;10(1):472–480. doi: 10.1080/22221751.2021.1899058

Figure 3.

Figure 3.

Correlational analysis of mink infection with human and avian influenza viruses. (A) Statistical analysis of the number of human seasonal influenza A (H1N1/pdm and H3N2) cases and the seroprevalence of influenza virus infection in farmed mink in northern China from 2016 to 2019. Coloured columns indicate weekly number of human cases of influenza virus infection from the influenza surveillance reports of China CDC from 2016 to 2019. Dashed lines show the seroprevalence of H1N1/pdm and H3N2 viruses in different mink farms. (B) Comparison of the seroprevalence values according to the types of food used to feed mink in farms. ***P < .001, between farms feeding mink with poultry by-products only and those feeding mink with both poultry by-products and fish.