肺炎链球菌感染与对策 World Notes on Antibiotics
Schuchat说，大部分的入侵性肺炎球菌感染通常只发生在老年人中，但是在丹佛的病例中，有62%是在年龄在20 - 59的人。
Most invasive pneumococcal infections normally occur in the elderly, but in the Denver cases 62 percent were in people age 20 to 59, Schuchat said.
肺炎球菌病是感染肺炎链球菌引起的。
Pneumococcal disease is caused by infection with the Streptococcus pneumoniae bacterium.
许多卫生机构建议，对于一些主要的肺部感染细菌，如肺炎球菌，需至少对应一种疫苗，以对抗流感并发症的风险。
There is at least a vaccine against one major cause of bacterial lung infections, pneumococcus, recommended for those at risk of flu complications by many health agencies.
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