这个词是什么意思？
A genus of the family CORONAVIRIDAE which causes respiratory or gastrointestinal disease in a variety of mammals. Human alphacoronaviruses include Human coronavirus 229E and NL63. All members share the identical core transcription regulatory sequences of 5’-CUAAAC-3’ and most have 1 to 2 ORFs downstream to the N protein gene.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000073638 · MeSH 2026。
Courtesy of the U.S. National Library of Medicine. Annual snapshot; later updates may not be reflected. NLM does not endorse this service.