Science Library Tag BCG Is diphtheria-tetanus-pertussis (DTP) associated with increased female mortality? A meta-analysis testing the hypotheses of sex-differential non-specific effects of DTP vaccine. Evaluation of non-specific effects of infant immunization on early infant mortality in southern Indian population. The introduction of diphtheria-tetanus-pertussis vaccine and child mortality in rural GuineaBissau: an observational study.