1.Is the HIV sentinel surveillance system adequate in China? Findings from an evaluation of the national HIV sentinel surveillance system
Wen Lin ; Sanny Chen ; Nicole Seguy ; Zhongdan Chen ; Keith Sabin ; Jesus Garcia Calleja ; Marc Bulterys
Western Pacific Surveillance and Response 2012;3(4):78-85
2.Identification of Enterovirus C105 for the first time in New Zealand
Cong Thanh Duong ; Tran Hien Nguyen ; Anh Tuan Nguyen ; Thi Thanh Ha Hoang ; Hong Thang Pham ; Thi THanh Ha Nguyen ; Anh Tuan Le ; Dai Quang Tran ; Hong Tram Tran ; Le Hai Nguyen ; Thi Thu Huong Phan ; Hai Son Vo ; Hoang Duc Bui ; Thien Nga Nguyen ; David Jacka ; Keith Sabin
Western Pacific Surveillance and Response 2015;6(1):52-54
In this report we describe a new approach in HIV sentinel surveillance that was piloted in Viet Nam in 2009 and is currently being rolled out in all provinces. It comprises a brief behavioural questionnaire added to the HIV sentinel surveillance surveys conducted routinely among people who inject drugs, female sex workers and men who have sex with men. Timely reporting of data from this system has resulted in improvements to HIV prevention efforts for most at-risk populations.
3.High hepatitis C virus infection among female sex workers in Viet Nam: strong correlation with HIV and injection drug use
Linh-Vi Le ; Siobhan O&rsquo ; Connor ; Tram Hong Tran ; Lisa Maher ; John Kaldor ; Keith Sabin ; Hoang Vu Tran ; Quang Dai Tran ; Van Anh Thi Ho ; Tuan Anh Nguyen
Western Pacific Surveillance and Response 2019;10(3):9-18
Abstract
Objective: The World Health Organization’s guidelines on viral hepatitis testing and treatment recommend prioritizing high prevalence groups. Hepatitis C virus (HCV) infection disproportionately affects people who inject drugs and men who have sex with men, but data on female sex workers (FSW) are limited. The study aimed to determine active HCV infection and risk factors associated with HCV exposure among Vietnamese FSW.
Methods: We surveyed 1886 women aged ≥ 18 years from Haiphong, Hanoi and Ho Chi Minh City who had sold sex in the last month. We tested for HCV antibody and HCV core antigen as markers for exposure to HCV and active infection, respectively.
Results: Across these provinces, high prevalence of HCV exposure (8.8–30.4%) and active infection (3.6–22.1%) were observed. Significant associations with HCV exposure were HIV infection (aOR = 23.7; 95% CI: 14.8–37.9), injection drug use (aOR = 23.3; 95% CI: 13.1–41.4), history of compulsory detention (aOR = 2.5; 95% CI: 1.4–4.2) and having more than 10 sex clients in the last month (aOR = 1.9; 95% CI: 1.2–3.2). Among FSW who reported never injecting drugs, HIV infection (aOR = 24.2; 95% CI: 14.8–39.4), a history of non-injection drug use (aOR = 3.3, CI: 1.8–5.7), compulsory detention (aOR = 2.2; 95% CI: 1.2–4.0) and having over 10 sex clients in the last month (aOR = 2.2, 95% CI: 1.3–3.7) were independently associated with HCV exposure.
Discussion: FSW have elevated HCV risks through sex- and drug-related pathways. These findings highlight the need to offer FSW-targeted HCV interventions and ensure their access to HIV prevention and treatment.
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