Fig. 1From: High prevalence of hepatitis E virus infection among domestic pigs in Ibaraki Prefecture, JapanRetention ratio of the anti-HEV IgG and IgM antibodies. Anti-HEV antibodies were analyzed in 160 blood samples collected from the pig slaughterhouse. The vertical axis shows the number of samples, while the horizontal axis shows the category (IgG+ / IgM+, IgG+ / IgM-, IgG- / IgM+, and IgG- / IgM-)Back to article page