Transmission of HIV and HCV within Former Soviet Union Countries

Author:

Aibekova Lazzat1,Bexeitova Aizada1,Aldabergenova Arailym1,Hortelano Gonzalo1,Ge Zhangwen2,Yi Feng2,Shao Yiming2,DeHovitz Jack3,Vermund Sten H.4,Ali Syed5ORCID

Affiliation:

1. Department of Biology, School of Science and Humanities, Nazarbayev University, Astana, Kazakhstan

2. State Key Laboratory for Infectious Disease Prevention and Control, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

3. Department of Medicine, SUNY Downstate Medical Center, Brooklyn, NY, USA

4. Yale School of Public Health, New Haven, CT, USA

5. Department of Biomedical Sciences, Nazarbayev School of Medicine, Nazarbayev University, Astana, Kazakhstan

Abstract

Background. Following the collapse of the Union of Soviet Socialist Republic (USSR) in 1991, trans-border mobility increased within the former Soviet Union (FSU) countries. In addition, drug-trafficking and injection drug use began to rise, leading to the propagation and transmission of blood-borne infections within and across the FSU countries. To examine the transmission of blood-borne infections within this region, we analyzed the phylogenetic relationship of publically available sequences of two blood-borne viruses, hepatitis C virus (HCV) and human immunodeficiency virus (HIV), from FSU countries. Methods. We analysed 614 and 295 NS5B sequences from HCV genotypes 1b and 3a, respectively, from 9 FSU countries. From 13 FSU countries, we analysed 347 HIV gag and 1282 HIV env sequences. To examine transmission networks and the origins of infection, respectively, phylogenetic and Bayesian analyses were performed. Results. Our analysis shows intermixing of HCV and HIV sequences, suggesting transmission of these viruses both within and across FSU countries. We show involvement of three major populations in transmission: injection drug user, heterosexual, and trans-border migrants. Conclusion. This study highlights the need to focus harm reduction efforts toward controlling transmission of blood-borne infections among the abovementioned high-risk populations in the FSU countries.

Funder

Nazarbayev University

Publisher

Hindawi Limited

Subject

Gastroenterology,Hepatology,General Medicine

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