这个词是什么意思？
A family of viruses, mainly arboviruses, consisting of a single strand of RNA. Virions are enveloped particles 90-120 nm diameter. The complete family contains over 300 members arranged in five genera: ORTHOBUNYAVIRUS; HANTAVIRUS; NAIROVIRUS; PHLEBOVIRUS; and TOSPOVIRUS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D002043 · MeSH 2026。
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