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Table 2 Expected incidence of health events in the theoretical cohort of 1000 travellers without and with vaccination.

From: Effectiveness and economic analysis of the whole cell/recombinant B subunit (WC/rbs) inactivated oral cholera vaccine in the prevention of traveller's diarrhoea

Vaccine efficacy (%) TD non-vaccinated TD vaccinated Health benefits
Punctual estim. Expected cases Expected cases Absolute reduction of cases
42.6 (18.9–59.3) 366 (325–385) 211 (186–237) 155 (133–178)
  1. Note: 95% Confidence interval are expressed between parenthesis