Intended for healthcare professionals

Letters Show evidence for lifting covid measures

The limitations of scientific evidence when speaking truth to politics

BMJ 2022; 376 doi: (Published 22 March 2022) Cite this as: BMJ 2022;376:o732
  1. Francis P Crawley, executive director
  1. Good Clinical Practice Alliance-Europe (GCPA) and Strategic Initiative for Developing Capacity in Ethical Review (SIDCER), Leuven, Belgium
  1. fpc{at}

The decision by Prime Minister Boris Johnson to end covid-19 restrictions was clearly political. The imposition of public health restrictions is, should be, and can only be through politics. Scientific evidence and the best considered opinions of the medical community can never provide the single argument for further limiting citizens’ rights and liberties. Doctors (including the BMA, scientists, and the Scientific Advisory Group for Emergencies1) have limited influence on health …

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