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Changes in immunoglobulin G (IgG) anti-hepatitis E virus (HEV) serologic status, 2003–2004. Age-specific IgG anti-HEV–positive seroconversion (A) and age-specific IgG anti-HEV–negative seroconversion (B), determined for every 5 years of age from 0 to 59 years of age and in older participants, using samples taken 12 months apart from a subpopulation of 3,431 persons.
