Science Library Tag non-specific effects of vaccination They Don’t Know What They’re Doing: The Vaccine Paradigm’s Shaky Assumptions 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. The introduction of diphtheria-tetanus-pertussis vaccine and child mortality in rural GuineaBissau: an observational study.