这个词是什么意思？
A genus of the family CORONAVIRIDAE that causes respiratory or gastrointestinal disease in avian species (or birds). The type species, AVIAN CORONAVIRUS, includes the previously separate species TURKEY CORONAVIRUS; and INFECTIOUS BRONCHITIS VIRUS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000073642 · MeSH 2026。
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