RE: Vaccine5 Jan 2021 21:25
@Oracle: As, I'm a professional biologist, I have to correct you. No, there is no DNA involved. The Oxford/AZ adenovirus vector vaccine uses RNA - that's rather an important distinction. Regarding efficacy of a single dose of the Oxford/AZ vaccine, here's what the Oxford team itself says, "ChAdOx1 was chosen as the most suitable vaccine technology for a SARS-CoV-2 vaccine as it has been shown to generate a strong immune response from one dose in other vaccines".