Articles Epidemiology Section Br Med J 1943; 2 doi: https://doi.org/10.1136/bmj.2.4321.563 (Published 30 October 1943) Cite this as: Br Med J 1943;2:563 Article Related content Metrics Responses Peer review Related articles Correction Corrections Published: 21 June 1969; Br Med J 2 doi:10.1136/bmj.2.5659.774-a Correction Correction Published: 13 September 1958; Br Med J 2 doi:10.1136/bmj.2.5097.700-a See more Cholera: Malawi is in grip of its deadliest outbreak BMJ February 09, 2023, 380 p328; DOI: https://doi.org/10.1136/bmj.p328 Emergency care is in “dire” situation after loss of NHS beds, says royal college BMJ May 31, 2022, 377 o1376; DOI: https://doi.org/10.1136/bmj.o1376 GP efforts to cut antibiotic use failed to curb spread of drug resistant E coli, evaluation finds BMJ August 05, 2021, 374 n1953; DOI: https://doi.org/10.1136/bmj.n1953 Check covid status when planning emergency bowel surgery, doctors are told BMJ March 11, 2021, 372 n695; DOI: https://doi.org/10.1136/bmj.n695 Capsule endoscopies will be trialled in England BMJ March 11, 2021, 372 n692; DOI: https://doi.org/10.1136/bmj.n692