The Lacuna Project

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Exhibit 015

DTP vaccination and child mortality in rural Guinea-Bissau, 1984–87

Exhibit 015 · Cohort study

DTP vaccination and child mortality in rural Guinea-Bissau, 1984–87

children receiving DTP at 2-8 months of age had higher mortality over the next 6 months, the mortality rate ratio (MR) being 1.92 (95% CI: 1.04, 3.52) compared with DTP-unvaccinated children

Among 1,657 children aged two to eight months, those vaccinated with DTP had a mortality ratio of 1.92 (95% CI 1.04–3.52) compared with unvaccinated children.

Source
Aaby et al., Tropical Medicine and International Health
Date
2004
Quoted from
Int J Epidemiol 2004;33(2):374-80, abstract, Results
Grade
Peer-reviewed
Document
https://pubmed.ncbi.nlm.nih.gov/15082643/
Accessed
2026-11-09
Cited by
Findings citing this exhibit

Cited by

Finding MED-3.7
Open question Studies of 1980s data from Guinea-Bissau found higher infant mortality after DTP vaccination, and no randomized trial has tested the finding.