Human papillomavirus infection in Rwanda at the moment of implementation of a national HPV vaccination programme

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Human papillomavirus infection in Rwanda at the moment of implementation of a national HPV vaccination programme

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Title: Human papillomavirus infection in Rwanda at the moment of implementation of a national HPV vaccination programme
Author: Ngabo, Fidele; Franceschi, Silvia; Baussano, Iacopo; Umulisa, M. Chantal; Snijders, Peter J. F.; Uyterlinde, Anne M.; Lazzarato, Fulvio; Tenet, Vanessa; Gatera, Maurice; Binagwaho, Agnes; Clifford, Gary M.

Note: Order does not necessarily reflect citation order of authors.

Citation: Ngabo, F., S. Franceschi, I. Baussano, M. C. Umulisa, P. J. F. Snijders, A. M. Uyterlinde, F. Lazzarato, et al. 2016. “Human papillomavirus infection in Rwanda at the moment of implementation of a national HPV vaccination programme.” BMC Infectious Diseases 16 (1): 225. doi:10.1186/s12879-016-1539-6. http://dx.doi.org/10.1186/s12879-016-1539-6.
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Abstract: Background: Cervical cancer is the most common female cancer in Rwanda that, in 2011, became the first African country to implement a national vaccination programme against human papillomavirus (HPV). Methods: To provide a robust baseline for future evaluations of vaccine effectiveness, cervical cell specimens were obtained from 2508 women aged 18–69 years from the general population in Kigali, Rwanda, during 2013/14. 20 % of women were HIV-positive. Samples were used for liquid-based cytology and HPV testing (44 types) with GP5+/6+ PCR. Results: HPV prevalence was 34 %, being highest (54 %) in women ≤19 years and decreasing to 20 % at age ≥50. Prevalence of high risk (HR) HPV and cytological abnormalities was 22 and 11 % respectively (including 2 % with high-grade squamous intraepithelial lesions, HSIL) decreasing with age. Age-standardised prevalence of HR HPV was 22 % (or 19 % among HIV-negative women), and HPV16 was the most common type. Prevalence of HPV and cytological abnormalities were significantly higher in HIV-positive than HIV-negative women, and the difference increased with age. Other significant risk factors for HPV positivity in multivariate analyses were high lifetime number of sexual partners, receiving cash for sex, and being a farmer. 40 % of women with HSIL were infected with HPV16/18 and there was no significant difference between HIV-positive and HIV-negative women. Conclusions: This study confirms Rwanda to be a setting of high prevalence of HPV and cervical disease that is worsened by HIV. These data will serve as a robust baseline for future evaluations of HPV vaccine programme effectiveness.
Published Version: doi:10.1186/s12879-016-1539-6
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4877733/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:27662069
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