Intended for healthcare professionals

Letters Covid-19: UK cases of delta variant

Infection with SARS-CoV-2 is not the same as covid-19

BMJ 2021; 374 doi: (Published 02 August 2021) Cite this as: BMJ 2021;374:n1896
  1. Andrew N Bamji, retired consultant rheumatologist
  1. Rye, UK
  1. bamji{at}

Both professionals and the Department of Health and Social Care are still failing to distinguish between infection with SARS-CoV-2 and covid-19, and positive tests continue to be reported as cases of covid-19.1 Covid-19 is a severe immunological consequence of SARS-CoV-2 infection but is not universal. It requires the development of hypoxia and biochemical and immunological indicators. In some laboratories, the cycle threshold in the PCR test (the …

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