| prevalence of human papillomavirus infection in women in some cities and regions of bulgaria. | this aim of this study was to evaluate the prevalence of human papillomavirus (hpv) infections among women (aged 15-55 years) in four of the biggest cities and regions in bulgaria (viz., sofia, plovdiv, varna, and burgas), as well as in two other smaller cities (viz., pleven and vidin). furthermore, study aimed to identify the prevalence of the 12 high-risk hpv (hr-hpv) genotypes in 2012, and to predict the benefits of a future national vaccination campaign for 12-year-old girls in bulgaria. thi ... | 2013 | 23852682 |