Figure 1. The orange dots  represent the prevalence in each 5 year age group from the 2008 national
survey by El Zanaty and Way (Ref. 6). For example, persons over 30 years old would have a prevalence of about
12% or higher of HCV antibody. The clear upside down triangle represent the prevalence of those persons
who are HCV RNA positive. The blue line is a fitted regression for HCV antibody prevalence. Overall, the
prevalence of HCV antiboby is 14.7% and the prevalence of HCV RNA virus is 10%.  See References




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