Vaccine development plans were announced at the Chinese Center for Disease Control and Prevention on January 26, 2020, and at the University of Hong Kong on January 28.
Miradi ya maendeleo ya chanjo ilitangazwa katika Kituo cha Uchina cha Kudhibiti na Kuzuia Ugonjwa tarehe 26 Januari 2929, na Chuo Kikuu cha Hong Kong tarehe 28 Januari.