这个词是什么意思？
A species of the genus BRUCELLA whose natural hosts are sheep and goats. Other mammals, including humans, may be infected. In general, these organisms tend to be more virulent for laboratory animals than BRUCELLA ABORTUS and may cause fatal infections.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017347 · MeSH 2026。
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