The Ministry of Health, Ministry of Education and the AQSIQ jointly held this afternoon H1N1 Type A influenza prevention and control work News conference, the Ministry of Health Deputy Director of the Office of Health Emergency Man Leung said at the meeting that there are dozens of manufacturers in China have been in the development of H1N1 influenza Type A vaccine , but the products produced, and can not be used for vaccination.

years, said Liang, the entire vaccine production can be used to the final three stages: the first stage is the development stage; the second stage is the stage of clinical trials; The third stage is the approval stage. China is now the whole process of vaccine production is in the first phase, that is, the development stage. Produced products and can not be used for vaccination must be rigorous, procedures, scientific proof of clinical trials, its safety, effectiveness and coverage of the strategy, such as interval, dosage, contraindications as well as focus groups, etc., to make a scientific assessment of the future, after the relevant government departments for approval before they can formally apply to human vaccination. This process will take some time.

Chinese Center for Disease Control and Prevention Influenza Type A H1N1, deputy head of the Technical Group, deputy director of the immunization program-ming Luo said that China developed the international arena with the development of a vaccine is the synchronized flow. It can be said now no country in the world can be produced has been studied by a flow of vaccines used.

Ming Luo further explained that the vaccines from development to test to the examination and approval to use, requires a phase of very strict. "First of all, we request that it is safe, because it is a new virus, we do not know how the safety of its kind. We do not know who it was playing in a dose and intervals need to be much more effective, which we all need to study So take some time. Since it is a research and testing on risk. "Luo said.