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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