My understanding from https://youtu.be/8Pj4_aK-j8I?t=73 https://youtu.be/8Pj4_aK-j8I?t=73 (Dr. John Campbell) is that the first shot of the Oxford vaccine gives

My understanding from https://youtu.be/8Pj4_aK-j8I?t=73 https://youtu.be/8Pj4_aK-j8I?t=73 (Dr. John Campbell) is that the first shot of the Oxford vaccine gives about 70% immunity after 3-4 weeks and in trials showed that people might get ill but not ill enough to need hospitalisation. If the goal is to keep people out of hospitals then speeding up the first shots makes sense.