Since the H1N1 influenza

access to influenza vaccine production strain, the number of vaccine manufacturers in China to immediately put into vaccine development and production of these. At present, some enterprises have been formally put into production.

Co., Ltd. Beijing Branch successfully completed alpha-approved H1N1 influenza vaccine seed preparation and in the official June 15 the first batch of vaccine production.

Westlands previous bio-engineering Co., Ltd. has completed alpha viruses H1N1 influenza vaccine bank, and formally entered into the stage of vaccine production.

Meanwhile, Alice Feng, Dalian Biological Pharmaceutical Co., Ltd., Changchun Changsheng Biological Technology Co., Ltd. vaccine production, such as recent recognition from the World Health Organization laboratory for production to get the vaccine strain, and started work to develop and produce vaccines.

It is reported that the vaccine business acquired from the WHO strain is a strain with the original seed weight, than less, can not meet the mass production of vaccines, it must be diluted, and then amplified by training, Preparation of virus seed grant, the process takes 78 days time. Single-batch production of vaccine against the virus needs to be experienced, virus cultivation, virus inactivation, purification, ratio, sub-steps such as packaging and批签发finally put into use.

countries food drug EAA News spokesman said江瑛Yen, H1N1 Type A influenza is a new virus, lack of crowds large-scale use of vaccine safety and efficacy data, the current vaccine can not just rush to market. Vaccine produced, the need for rigorous clinical trials, the State Food and Drug Authority will organize and coordinate the relevant departments of the Type A H1N1 influenza vaccine research and development, production, testing, distribution, use the link for full monitoring, etc., the most important but also protection of the safe and effective vaccines and quality control.