无独有偶，管状病毒的另一支变异病毒，一直是困扰家禽流行病的问题。

来源: 于 2020-02-01 20:51:42 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Severe Acute Respiratory Syndrome Vaccine Development: Experiences of Vaccination Against Avian Infectious Bronchitis Coronavirus

Dave Cavanagh. Avian Pathol.