Pneumococcal bacteria can cause pneumonia, meningitis, septicemia, otitis media and other diseases. There was high incidence of infants under 2 years of age and older people.
肺炎球菌可引起肺炎、脑膜炎、败血症、中耳炎等疾病，在2岁以下婴幼儿和老年人中发病率最高。
Pneumococcal bacteria can cause pneumonia, meningitis, septicemia, otitis media and other diseases. There was high incidence of infants under 2 years of age and older people.
肺炎球菌可引起肺炎、脑膜炎、败血症、中耳炎等疾病，在2岁以下婴幼儿和老年人中发病率最高。
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