Wiwat Peerapatanapokin

Measuring HIV Acquisitions Among Partners of Key Populations: Estimates From HIV Transmission Dynamic Models

Romain Silhol, Rebecca L. Anderson, Oliver Stevens, James Stannah et autres

BACKGROUND: Key populations (KPs), including female sex workers (FSWs), gay men and other men who have sex with men (MSM), people who inject drugs (PWID), and transgender women (TGW) experience disproportionate risks of HIV acquisition. The UNAIDS Global AIDS 2022 Update reported …

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The AIDS Epidemic Model 2023 for Estimating HIV Trends and Transmission Dynamics in Asian Epidemic Settings

Tim Brown, Wiwat Peerapatanapokin, Nalyn Siripong, Robert Puckett

BACKGROUND: Thirteen Asian countries use the AIDS Epidemic Model (AEM) as their HIV model of choice. This article describes AEM, its inputs, and its application to national modeling. SETTING: AEM is an incidence tool used by Spectrum for the Joint United Nations …

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HIV Estimation and Projection in Sri Lanka (2019-2025); Application of AIDS Epidemic Model and Spectrum

M. Suchira Suranga, Ariyaratne Manathunge, Wiwat Peerapatanapokin

Introduction: Since the beginning of the HIV epidemic in the late 1980s, Sri Lanka has been classified as a country with low level HIV epidemic. Even among key populations, HIV prevalence has not exceeded beyond 5%. HIV estimation and projection in Sri …

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HIV/AIDS in Asia : we need to keep the focus on key population groups

Tim Brown, Wiwat Peerapatanapokin

For more about the East-West Center, see http://www.eastwestcenter.org/

Evolving HIV epidemics

Tim Brown, Wiwat Peerapatanapokin

PURPOSE OF REVIEW: To explore the comparative importance of HIV infections among key populations and their intimate partners as HIV epidemics evolve, and to review implications for guiding responses. RECENT FINDINGS: Even as concentrated epidemics evolve, new infections among current and former …

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Modes of HIV transmissions in Dhaka city

Mohammed Nazmul Huq, Saima Khan, Wiwat Peerapatanapokin, Masud Reza et autres

Introduction: The epidemic in Dhaka, capital city of Bangladesh, was believed to be driven by injecting drug use as human immunodeficiency virus (HIV) has been concentrated among people who injected drugs since 2006.However, the needle/syringe program coupled with other prevention interventions among …

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Updates to the Spectrum/Estimations and Projections Package model for estimating trends and current values for key HIV indicators

John Stover, Tim Brown, Robert Puckett, Wiwat Peerapatanapokin

BACKGROUND: The Spectrum model is used by national programs and UNAIDS to prepare annual estimates of the status of the HIV epidemic in 160 countries. The model and assumptions are updated regularly under the guidance of the UNAIDS Reference Group on Estimates, …

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The impact of Thailand's public health response to the HIV epidemic 1984–2015: understanding the ingredients of success

Taweesap Siraprapasiri, Sumet Ongwangdee, Patchara Benjarattanaporn, Wiwat Peerapatanapokin et autres

INTRODUCTION: Thailand has been heralded as a global leader in HIV prevention and treatment, and its experience with the HIV/AIDS epidemic holds valuable lessons for public health. This paper documents Thailand's response to its HIV epidemic from the late 1980s until today, …

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Expanded Program on Immunization (EPI) for children of Myanmar migrants living in Bangkok Thailand.

Tussnai Kantayaporn, Kritaya Archavanitkul, Wiwat Peerapatanapokin, Nonglak Disthawong et autres

Although Thailand has established and maintained an immunization policy for children regardless of ethnic origin, the National Expanded Program on Immunizations (EPI) has not been able to reach many children of migrants, due to a lack of information on both the size …

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Is a HIV vaccine a viable option and at what price? An economic evaluation of adding HIV vaccination into existing prevention programs in Thailand

Pattara Leelahavarong, Yot Teerawattananon, Pitsaphun Werayingyong, Chutima Akaleephan et autres

BACKGROUND: This study aims to determine the maximum price at which HIV vaccination is cost-effective in the Thai healthcare setting. It also aims to identify the relative importance of vaccine characteristics and risk behavior changes among vaccine recipients to determine how they …

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HIV Transmission Rates in Thailand: Evidence of HIV Prevention and Transmission Decline

Lesley S. Park, Taweesap Siraprapasiri, Wiwat Peerapatanapokin, Jennifer Manne‐Goehler et autres

BACKGROUND: Analysis of HIV transmission rates has provided insight into the impacts of HIV-related prevention programming and policies in the United States by providing timely information beyond incidence or prevalence alone. The purpose of this analysis is to use transmission rates to …

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The economics of effective AIDS treatment in Thailand

Mead Over, Ana Revenga, Emiko Masaki, Wiwat Peerapatanapokin et autres

INTRODUCTION: The speed with which Thailand has scaled up public provision of antiretroviral therapy (ART) has been unprecedented, with more than 80 000 individuals on treatment at the end of 2006 through Thailand's National Access to Antiretroviral Program for People Living with …

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