Research
Comparative effectiveness of ChAdOx1 versus BNT162b2 covid-19 vaccines in health and social care workers in England: cohort study using OpenSAFELY
BMJ 2022; 378 doi: https://doi.org/10.1136/bmj-2021-068946 (Published 20 July 2022) Cite this as: BMJ 2022;378:e068946Linked Editorial
Rapid covid-19 vaccination for health workers