Correspondence World Health Research Centre Br Med J 1964; 2 doi: https://doi.org/10.1136/bmj.2.5406.444-a (Published 15 August 1964) Cite this as: Br Med J 1964;2:444 Article Related content Metrics Responses Peer review Related articles No related articles found. See more Protecting infants through covid-19 vaccination during pregnancy BMJ February 08, 2023, 380 p241; DOI: https://doi.org/10.1136/bmj.p241 Maternal mRNA covid-19 vaccination during pregnancy and delta or omicron infection or hospital admission in infants: test negative design study BMJ February 08, 2023, 380 e074035; DOI: https://doi.org/10.1136/bmj-2022-074035 Students have mixed feelings about proposed changes to foundation programme BMJ February 08, 2023, 380 p323; DOI: https://doi.org/10.1136/bmj.p323 Tackling race inequality in the medical workforce BMJ February 08, 2023, 380 p149; DOI: https://doi.org/10.1136/bmj.p149 Cost of living crisis is a threat to good health BMJ February 08, 2023, 380 p265; DOI: https://doi.org/10.1136/bmj.p265