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This study aimed to investigate the prevalence and correlates of hepatitis C virus infection among injecting drug users in a community-based setting in Tehran, Iran. In October 2004, injecting drug users were recruited from a drop-in centre and neighboring parks and streets in a drug-populated neighborhood in Tehran. Participants were interviewed using a(More)
OBJECTIVES This study was conducted to identify the prevalence of and potential risk factors for HIV-1 infection among drug users visiting drug treatment centers in Tehran, Iran. DESIGN Cross-sectional quantitative study. METHODS Between October 2003 and May 2004, drug users who visited three public drug treatment centers in Tehran were interviewed and(More)
OBJECTIVES To determine the prevalence and correlates of HIV-1 infection among community-based injecting drug users (IDUs) in Tehran, Iran. METHODS In October 2004, 213 IDUs were recruited from a drop-in center and its neighboring parks and streets in Tehran. Participants were interviewed using a structured questionnaire regarding their sociodemographics(More)
OBJECTIVE The human APOBEC3 family of proteins potently restricts HIV-1 replication APOBEC3B, one of the family genes, is frequently deleted in human populations. Two previous studies reached inconsistent conclusions regarding the effects of APOBEC3B loss on HIV-1 acquisition and pathogenesis. Therefore, it was necessary to verify the effects of APOBEC3B on(More)
BACKGROUND Suicide is a major social and health issue in Japan. We assessed prevalence of attempted suicide and explored individual, interpersonal, behavioral, and psychological risk factors associated with attempted suicide in a general community sample of youth in a metropolitan Japanese city. METHOD Survey of 2,095 participants age between 15 and 24(More)
BACKGROUND Japanese men who have sex with men (MSM), especially those living in large metropolitan areas such as Tokyo and Osaka, are facing a growing HIV/AIDS epidemic. Although the Internet is used as a new venue for meeting sex partners, it can also serve as a useful research tool for investigating the risk behaviours of Japanese MSM. This Internet(More)
BACKGROUND Mitral valve replacement with prosthetic valves in infants and children requires consideration of multiple variables. When we examined our late follow-up, the effect of the growth of the patient relative to the size of the prosthesis placed was the most important variable predicting late successful results. We reviewed our experience with mitral(More)
The HIV/AIDS surveillance system in Japan, which began collecting data on the number of AIDS patients in 1984 and the number of HIV-infected persons in 1987, has played an important role in monitoring the trend and magnitude of Japan's HIV/AIDS epidemic and its distribution across various population subgroups. However, the system lacks any personal(More)
BACKGROUND Trends in the numbers of Japanese patients with human immunodeficiency virus (HIV) and acquired immunodeficiency syndrome (AIDS) reported to the HIV/AIDS surveillance system in Japan were examined. We attempted to estimate the cumulative number of Japanese with HIV, including people with HIV not reported to the surveillance. METHODS Data from(More)
BACKGROUND This study investigated the prevalence of male homosexual behaviour among adult men and of HIV and AIDS among men who have sex with men (MSM) and non-MSM in Japan. METHODS An anonymous self-administered postal questionnaire, and national HIV and AIDS notifications. RESULTS Same-sex sexual experience was reported by 2.0% of respondents. The(More)