A woman holds a small bottle labeled with a "Coronavirus COVID-19 Vaccine" sticker and a medical syringe in this illustration taken October 30, 2020. [FIle, Dado Ruvic, Reuters]
Different efficacy results for a Chinese COVID-19 vaccine released separately in China and in United Arab Emirates are both real and valid, an executive at China National Biotec Group (CNBG) told state media.