The AstraZeneca-Oxford vaccine is a chimpanzee adenovirus-vectored vaccine. This means that the company took a virus that normally infects chimpanzees, and genetically modified to avoid any possible disease consequences in people.
https://www.forbes.com/sites/alexknapp/2020/11/23/heres-what-you-need-to-know-about-astrazenecas-covid-19-vaccine/
打啲猩猩先有嘅病毒入人體,咪令到人變到猩猩咁囉
苗撚可以體驗下做猩猩