Corrections
Vaccinating people who have had covid-19: why doesn’t natural immunity count in the US?
BMJ 2021; 374 doi: https://doi.org/10.1136/bmj.n2272 (Published 15 September 2021) Cite this as: BMJ 2021;374:n2272An error occurred in the table of this article by Jennifer Block (BMJ 2021;374:n2101, doi:10.1136/bmj.n2101). The first row of the table includes children aged 0-17 not 5-17. The online version has been corrected.