这个词是什么意思？
A genus of RNA viruses in the family BIRNAVIRIDAE infecting fish, mollusks, and crustaceans. It is transmitted both vertically and horizontally with no known vectors. The natural hosts are salmonids and the type species is INFECTIOUS PANCREATIC NECROSIS VIRUS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D019201 · MeSH 2026。
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