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Table 2 Seroprevalence of anti-HEV IgG in pigs at several week intervals

From: Widespread distribution of hepatitis E virus in Spanish pig herds

Percentage (positive/total) of anti-HEV IgG

Age (weeks)

3

5

7

11

15

20

All

6.9% (9/130)

3.3% (4/120)

1.7% (2/120)

1.4% (1/70)

31.0% (31/100)

17.5% (14/80)

9.8% (61/620)

  1. Significance of Chi-square test, p < 0.001