Letters
Covid-19: shielding versus blanket policies
Our choice is not binary between lockdown and herd immunity
BMJ 2020; 371 doi: https://doi.org/10.1136/bmj.m4051 (Published 22 October 2020) Cite this as: BMJ 2020;371:m4051
- K K Cheng, director
- Institute of Applied Health Research, University of Birmingham, Birmingham B15 2TT, UK
- k.k.cheng{at}bham.ac.uk
All scientists who argue for caution share Sikora and colleagues’ desire for normality.12 Our case against their position has been made in the letter by Greenhalgh and colleagues,3 of which I am a signatory. On the risks of attempting herd immunity, even if we optimistically assume that immunity would persist after infection and that vulnerable people can really be shielded, infecting, say, half of the 35 million younger people (20-59 …
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