肺炎球菌(Streptococcus pneumoniae)是儿童感染性疾病的主要致病菌,但一直以来由于人们认为可以通过抗生素进行治疗而忽视了它的危害。世界卫生组织(WHO)在2005年估计,每年有70万~100万5岁儿童死于肺炎球菌感染。全球通过接种疫苗可预防的5岁儿童死亡疾病中,肺炎球菌性疾病? Streptococcus pneumoniae is a major causative agent of infectious diseases in children, but its harm has long been neglected because it is thought that it can be treated with antibiotics. The World Health Organization (WHO) estimated in 2005 that 700,000 to 1,000,000 5-year-old children die of pneumococcal infection each year. Of the 5-year-old children worldwide who died of the disease that could be prevented by vaccination, pneumococcal disease?