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BMC Public Health
Published in: BMC Public Health 1/2015

Open Access 01-12-2015 | Research article

Prevalence of human immunodeficiency virus 1 infection in the last decade among entry travelers in Yunnan Province, China

Authors: Binghui Wang, Yaobo Liang, Yue Feng, Yaping Li, Yajuan Wang, A-Mei Zhang, Zulqarnain Baloch, Li Liu, Weihong Qin, Xueshan Xia

Published in: BMC Public Health | Issue 1/2015

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Abstract

Background

Yunnan is not only considered the region with the most concerning human immunodeficiency virus (HIV)-1 prevalence, but is also the central hub for the spread of HIV-1 from Southeast Asia to the other provinces of China. Yunnan has the highest proportion of entry travelers who have transmitted HIV from neighbored Southeast Asian countries to mainland of China.

Methods

Between 2003 and 2012, we recruited 280,961 entry travelers at land ports located in 7 bordering prefectures respectively in the Yunnan Province for HIV-1 screening. Based on the detection of HIV-1 antibody, the HIV-1 infection rate was determined.

Results

Among the recruited entry travelers, 2380 were determined HIV-1 positive with infection rate of 0.85%. Travelers entering the Dehong port had the highest HIV-1 infection rate (5.12%), followed by those entering Baoshan (0.88%), Lincang (0.83%), and Honghe (0.71%). For all HIV-1 positive cases, travelers aged 21–30 and 31–40 were the most commonly infected individuals, accounting for 38.45% and 37.77% of all cases, respectively. The most common occupation of the infected population was driver (42.38%), and the proportion of industrials had increased yearly. Based on the reported risk factors, sexual transmission was the main HIV-1 infection route (77.11%) of this population.

Conclusions

We have clarified the rate of HIV-1 infection among this bridge population. The characteristics of HIV-1 positive population and high geographical heterogeneity have provided the necessary epidemiological data for monitoring the HIV-1 epidemic among cross-border travelers in Yunnan and to further understand the cross-border spreading of the HIV-1 infection.
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Metadata
Title
Prevalence of human immunodeficiency virus 1 infection in the last decade among entry travelers in Yunnan Province, China
Authors
Binghui Wang
Yaobo Liang
Yue Feng
Yaping Li
Yajuan Wang
A-Mei Zhang
Zulqarnain Baloch
Li Liu
Weihong Qin
Xueshan Xia
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Public Health / Issue 1/2015
Electronic ISSN: 1471-2458
DOI
https://doi.org/10.1186/s12889-015-1683-8

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