Group A, C, Y, W 135 meningococcal polysaccharide vaccines developed by our company were approved by the State Food and Drug Administration for clinical research in March 2005, and the third phase of clinical research was completed in June 5438+February of the same year, and the production approval was declared in April 2006. The product adopts our proprietary technology, the quality of meningococcal polysaccharide is obviously better than that stipulated by the World Health Organization, and the content of heat source material is only 60% stipulated by the World Health Organization. Solved the common problem of high fever rate of polysaccharide vaccine.
In June 2007, meningococcal polysaccharide conjugate vaccines of groups A and C passed GMP certification, and in June 2008, meningococcal polysaccharide vaccines of groups A, C, Y, W 135 passed GMP certification. At present, two new vaccines have been industrialized.