has vaccine antigen has vaccine vector vaccinated in route immunizes host Homo sapiens Homo sapiens spike glycoprotein (SARS-CoV-2) intramuscular route Oxford-AstraZeneca COVID-19 vaccine ChAdOx1 nCoV-19 violinID:2020-001072-15, 2020-001228-32, ISRCTN89951424 PubMed:32702298 AZD1222 Covishield https://en.wikipedia.org/wiki/AZD1222 COVID-19 Vaccine AstraZeneca A SARS-CoV2 recombinat vector vaccine made of a chimpanzee adenovirus-vectored vaccine expressing the SARS-CoV-2 spike protein vaccine Anthony Huffman, Philip Huang chimpanzee adenovirus Oxford1 vaccine vector authorized COVID-19 recombinant adenoviral vector vaccine