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Male sex workers who sell or exchange sex for money or goods encompass a very diverse population across and within countries worldwide. Information characterising their practices, contexts where they live, and their needs is limited, because these individuals are generally included as a subset of larger studies focused on gay men and other men who have sex(More)
This study examined the prevalence of human papillomavirus (HPV) infection in a cohort of female sex workers in Singapore. HPV infection was diagnosed by clinical examination, Papanicolaou (Pap) smears, histology and polymerase chain reaction (PCR). One hundred and eighty-seven female sex workers who came for their routine medical screening were enrolled(More)
The balance between a direct cytopathic effect by hepatitis C virus (HCV) and immune-mediated injury remains unclear. This report aims to test the following hypotheses: (1) that intrahepatic HCV load would correlate with the degree of liver injury; (2) that interferon alfa (IFN-alpha) would decrease intrahepatic HCV-RNA levels. Liver tissues (n = 56) were(More)
Consensus and type-specific HPV primers were employed for PCR and cycle sequencing of genital HPVs in scrapings and colposcopically directed biopsies of the cervix from a cohort of 188 female sex workers. A total of 27 individuals tested positive for a broad spectrum of HPV types, including HPVs 6b, 16, 18, 31, 33, 34, 35, 45, 56 and 58, as well as a new(More)
An anonymous postal questionnaire survey studying the knowledge, attitudes, beliefs and practices on human immunodeficiency virus (HIV) infection was conducted among all registered medical and dental practitioners in Singapore in 1996. In all, 1523 replies were received, yielding a response rate of 29.3%. The level of knowledge regarding transmission and(More)
Enterprise Systems are formidable and powerful information systems that have positioned themselves as a landmark in the evolution of Information Technology. The selection, implementation, use and continuous change of Enterprise Systems (ES) (e.g. mySAP.com) require a great amount of knowledge and experience. Due to the lack of inhouse ES knowledge and the(More)
This study was done to assess the specificity and sensitivity of the DNA amplification assays of ligase chain reaction (LCR) and polymerase chain reaction (PCR) on urine specimens to detect Chlamydia trachomatis infections in both male and female patients seen at a sexually transmitted diseases (STD) clinic in Singapore, compared with other diagnostic(More)
  • Roy Chan
  • Sexually transmitted infections
  • 2011
INTRODUCTION This article provides a short summary of the current status of sexually transmitted infections (STIs)/HIV epidemiology in the Asia-Pacific region. Information was requested from WHO as well as from STI experts in a number of major nations in the region. Reliable national STI notification statistics were not available from several of these(More)
INTRODUCTION This study was conducted to determine the disease patterns of sexually transmitted infections (STI) in older men, as well as to gather information on their knowledge, attitudes, beliefs and sexual practices. METHODS A prospective study was carried out from January to June 2005 in men aged 50 years or older who attended the Department of STI(More)