“…This was not significantly different from that of the compared group whose anti-HBs seroconversion rate was 86.81%, which indicates that the immune effects of the different types of hepatitis B vaccines were consistent. These results are similar to those of Zhong (2009), Zhang et al (2010), and others (Bryan et al, 1995;Rendi-Wagner et al, 2001). Gong and Zhong (2009) used 10 µg of hepatitis B vaccine made by recombinant DNA techniques in Saccharomyces cerevisiae yeast by the Beijing Tiantan Company.…”