Pneumococcal vaccine role of the nature of how

China's use of the pneumococcal vaccine for the "multi-valent pneumococcal conjugate vaccine," MSD development and production company, approved by China's Ministry of Health in implementing the country.

The pneumococcal vaccine is to kill, from its capsule made of polysaccharides, induced to produce antibodies after vaccination, effective prevention pneumococcal pneumonia and sepsis. The vaccine contains a major cause of pneumonia and sepsis 23 pneumococcal, 90 percent of the pneumococcal have immunity, it said "more than price." After one dose of the vaccine after 15 days have protective antibodies, protection period for at least five years, when necessary, in the sixth year after the first injection of a further injection.