Acellular pertussis vaccine recommended by WHO should contain five components: PT, FHA, PRN, FIM2 and FIM3, the major component is PT.

 
  • FIM2和FIM3是百日咳桿菌的3種保護性抗原,在百日咳桿菌的致病和免疫過(guò)程中起重要作用。
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