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Though previous studies have suggested a non-specific beneficial effect of oral polio vaccine (OPV), there has been no evaluation of the mortality impact of national polio immunization days. On the other hand, studies examining the effect of OPV and diphtheria–tetanus–pertussis (DTP) vaccines, which are usually administered together in routine immunisation programmes in low-income countries, have...
With the increasing prevalence of HIV infection and the high maternal mortality, orphans are a rapidly growing problem in Africa. However, few studies describe the social conditions of these children. Our study focuses on motherless children in urban and rural areas of Guinea-Bissau.A rural and an urban cohort of children (128 and 192, respectively) that had been followed by demographic surveillance...
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