Measles data are reliable

BMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.7008.810 (Published 23 September 1995) Cite this as: BMJ 1995;311:810
  1. Mary Ramsay,
  2. David Brown
  1. Consultant epidemiologist Immunisation Division, PHLS Communicable Disease Surveillance Centre, London NW9 5EQ
  2. Consultant virologist Enteric and Respiratory Virus Laboratory, PHLS Virus Reference Division, London NW9 5EQ

    EDITOR,--Nigel Higson claims that the only source of data on measles cases which has remained consistent before and after the measles-rubella campaign is statutory notification and that numbers of notified cases have shown little decline.1 As he admits, numbers of notifications are less reliable than cases confirmed by saliva testing, but this service was not widely available before the campaign. The saliva assay, however, was …

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