Figure 1.

A1, Assumed proportion of uninfected children remaining hepatitis C virus antibody (anti-HCV) positive at each age up to 18 months. B1, Assumed proportion of infected children who are not initially RNA positive remaining RNA negative by age up to 6 weeks. C1, Proportion of infection not yet cleared, by age up to 5 years. A2, Proportion of indeterminates with last anti-HCV positive at each age. B2, Proportion of uninfected and indeterminate with last RNA negative at each age (<6 weeks). C2, Proportion of uninfected children with the first test indicating they were uninfected at each age.