| seroprevalence of antibodies against dengue virus among pregnant women in the democratic republic of sao tome and principe. | dengue fever has become a worldwide public health concern, threatening an estimated 40% of the world's population. however, most resources and attention are still focused on malaria, while dengue statuses are poorly recognized in many african countries. in this serological survey, dengue virus (denv) transmission was demonstrated by using serum samples collected from 78 pregnant women in the democratic republic of sao tome and principe (drstp) during 2003 to 2004. immunofluorescence assay was pe ... | 2016 | 26739653 |