这个词是什么意思？
A family of RNA viruses, mainly arboviruses, consisting of two genera: ALPHAVIRUS (group A arboviruses), and RUBIVIRUS. Virions are spherical, 60-70 nm in diameter, with a lipoprotein envelope tightly applied to the icosahedral nucleocapsid.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D014035 · MeSH 2026。
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