is_manufactured_by has vaccine antigen vaccinated in route immunizes host Homo sapiens Homo sapiens spike glycoprotein (SARS-CoV-2) subcutaneous route AKS-452 Philip Huang vaccine https://www.akstonbio.com/programs/covid-19-vaccine/ A SARS-CoV-2-RBD-Fc fusion protein designed to induce or boost a Th1/Th2 mixed immune response in patients against the Receptor Binding Domain (RBD) of the novel coronavirus spike protein. COVID-19 subunit vaccine University Medical Center Groningen