这个词是什么意思？
Suspensions of killed or attenuated microorganisms (bacteria, viruses, fungi, protozoa), antigenic proteins, synthetic constructs, or other bio-molecular derivatives, administered for the prevention, amelioration, or treatment of infectious and other diseases.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D014612 · MeSH 2026。
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