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ELISA for hepatitis E virus. Serum (A) and meat juice of heart (B) and diaphragm (C) were used as first antibodies for ELISA. Serum was diluted to 1:100 and meat juice samples were diluted to 1:10, 1:20 and 1:40. Absorbance greater than 0.437 was judged to be positive. Red and orange colors indicate samples collected from wild boars positive and negative for anti-HEV antibody, respectively.
