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Epidemiology

Authoring team

  • incidence of primary infection of pregnant mothers is 1 - 6 per 1000 in the UK
  • risk of vertical transmission is less than 33%
  • incidence of symptomatic disease is about 1 in 10,000
  • the incidence is increased by HIV infection and in countries where raw meat is eaten
  • risk of damage is greater the earlier on in pregnancy that the infection occurs

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