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Sickness absence of multivaccinated employees at Porton Down: a retrospective cohort study
  1. E Hugh Dyson,
  2. Andrew J H Simpson,
  3. Robert J Gwyther,
  4. Paul Rice
  1. Biomedical Sciences Department, Dstl, Porton Down, Salisbury, Wiltshire, UK
  1. Correspondence to:
 Dr P Rice
 Biomedical Sciences Department, Dstl, Salisbury, Wiltshire SP4 0JQ, UK; price1{at}

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Concerns have been raised about the effects of multiple vaccinations on long-term health, particularly in military personnel, but are unproven.1 Animal models have shown no significant relations between multiple vaccination and reported ill health in service personnel.2–4

The Defence Science and Technology Laboratory (Dstl) conducts scientific research for the UK Ministry of Defence; staff working with pathogens or serving abroad are offered appropriate vaccinations. We investigated whether increased sickness absence, …

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  • This study was supported by the Veterans Policy Unit of the Ministry of Defence.