Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of HCC incidence rate ratios (95% CI) by age group cohorts born before and after the commencement of the universal hepatitis B vaccination program in Taiwan. Reprinted from Gastroenterology, Vol 151 (3), Chang et al., Long-term Effects of Hepatitis B Immunization of Infants in Preventing Liver Cancer, Pages 472–480.e1, Copyright (2016), with permission from Professor Chang and Elsevier.
