According to reports, China's epidemic is mainly characterized by four characteristics:
First, to maintain a low prevalence nationwide epidemic whole state, but a higher prevalence in some areas;
the second is through intravenous drug use and mother to child transmission to a lower level, through sexual transmission has become The main route of transmission;
Third, there is a difference around the popular model, the elderly, young students and other key groups epidemic increased significantly;
fourth is infected and the number of patient survival increased significantly, increasing the number of cases.