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Letters Cleanyourhands campaign

Impact of hand washing on bacteraemia rates

BMJ 2012; 344 doi: (Published 25 June 2012) Cite this as: BMJ 2012;344:e4299
  1. Yasmin Friedmann, research assistant1,
  2. Mike Gravenor, professor of biostatistics and epidemiology1,
  3. Owen Bodger, mathematical modeller1,
  4. Mark Temple, consultant in public health medicine2
  1. 1Institute of Life Science, Swansea University, Swansea SA2 8PP, UK
  2. 2Communicable Disease Surveillance Centre, Public Health Wales, Cardiff, UK
  1. y.friedmann{at}

Stone and colleagues’ results are consistent with mathematical models of hospital transmission of meticillin resistant Staphylococcus aureus (MRSA).1 This can be shown using Cooper and colleagues’ model, whereby transmission within hospital is described by an effective contact rate parameter between susceptible and infectious people. Improved hygiene conditions reduce the probability that contact between people results …

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