这个词是什么意思？
Gram-negative aerobic cocci of low virulence that colonize the nasopharynx and occasionally cause MENINGITIS; BACTEREMIA; EMPYEMA; PERICARDITIS; and PNEUMONIA.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D001936 · MeSH 2026。
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