Chinanews, Shanghai, Nov. 27 – According to Xinmin Evening News, experts said that Hepatitis Type B would become less serious in China. They said that the present vaccine against Hepatitis Type B was effective, for the number of the old sufferers of this disease has become fewer and fewer.Lu Zhouhong, an expert from Shanghai Public Health Research Center, said that effective vaccine is crucial to containing the disease. According to the center's statistics, from 2002 -2006, there were fewer people infected by the disease below 15. He estimated that China would have few Hepatitis Type B patients in 20 years.