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. 2018 Mar 16;5(4):ofy060. doi: 10.1093/ofid/ofy060

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© The Author(s) 2018. Published by Oxford University Press on behalf of Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 2. — Seroprevalence of hepatitis B surface antigen (HBsAg) and human immunodeficiency virus (HIV) at first blood donation, National Blood Transfusion Center of Abidjan, Côte d’Ivoire, 1992–2012. Seroprevalence of HBsAg and anti-HIV antibodies in individuals presenting for their first blood donation for each 3-year period. Prevalences are stratified according to sex (A) and age groups (B). Vertical bars represent 95% confidence intervals.