肺炎球菌可侵袭各年龄组的人群,但侵袭率则不完全相同。肺炎球菌为细菌性感染性疾患的一种常见致病原,常引致急性肺炎、败血症或脓毒血症、急性化脓性脑膜炎和中耳炎。国外,特别是美国,有关肺炎球菌感染的报道颇多。本文扼要介绍肺炎球菌感染研究的现状。 Streptococcus pneumoniae can invade all age groups, but the invasion rate is not exactly the same. Pneumococci are a common causative agent of bacterial infectious disease and often cause acute pneumonia, septicemia or sepsis, acute purulent meningitis, and otitis media. Foreign countries, especially the United States, have reported quite a lot about pneumococcal infections. This article briefly describes the current status of pneumococcal infection.