Fern Terris-Prestholt

Biographic Data

ID1262642
NAMEFern Terris-Prestholt
GIVEN NAMESFern
FAMILY NAMETerris-Prestholt
SIGNATURETERRIS-PRESTHOLT F
AFFILIATIONSLondon School of Hygiene & Tropical Medicine
ORCID0000-0003-1693-5196
VERIFIEDYes
TOTAL WORKS36
TOTAL CITATIONS9
AUTHOR COUNT36
EDITOR COUNT0
FIRST PUBLICATION YEAR2009
LATEST PUBLICATION YEAR2025
H-INDEX2

  • Using country-level variables to discover country clusters beyond traditional health policy and performance metrics

    Open AccessZoïe W Alexiou, Siddharth Dixit et al.ARTICLEPLOS Global Public Health2025

    HIV remains a major public health challenge, with 1.4 million new infections and 31.6 million people accessing antiretroviral treatment in 2024. In many countries, HIV services have been provided through vertical programs, which, although highly successful in bringing treatment to people living with HIV since the early 2000s, are unlikely to sustain progress beyond donor dependency. The increasing push towards Universal Health Coverage (UHC), whi…

  • Cost-effectiveness of Zvandiri, a community-based support intervention to reduce virological failure in adolescents living with HIV in Zimbabwe

    Open AccessCollin Mangenah, Webster Mavhu et al.ARTICLEPLOS Global Public Health2025

    Improving antiretroviral therapy (ART) adherence among adolescents living with HIV (ALHIV) improves outcomes, but with resource implications. We conducted a cost-effectiveness analysis extrapolating the costs and benefits of a community-based peer-support intervention (Zvandiri) among ALHIV in Zimbabwe. We used a de-novo multistate Markov decision-analytic model that simulated Zvandiri lifetime costs and benefits on viral suppression, death rates…

  • Community-led strategies for communicable disease prevention and management in low- and middle- income countries

    Open AccessPitchaya Indravudh, Kathleen McGee et al.ARTICLEPLOS Global Public Health2025

    Control of infectious diseases is a global health priority and a target of the 2015-2030 Sustainable Development Goals (SDGs). Community participation is fundamental to advancing primary health care and meeting SDGs. We conducted a mixed-methods systematic literature review of quantitative and qualitative evidence to understand the health, social, and economic impact of community-led strategies for communicable disease prevention and management i…

  • Crises and complexity

    Open AccessZaruhi Mkrtchyan, Yolanda Moyo et al.ARTICLEHealth Policy and Planning2025References: 21

    The end of the COVID-19 global health emergency presents an opportunity to reflect on actions needed to enhance the effectiveness of responses to any future shocks. We highlight critical areas requiring attention from researchers and research commissioners to enhance the identification and adoption of ‘good value’ interventions, and we discuss the complexities of evidence-informed decision-making across multiple sectors, the evolving role of mode…

  • State of HIV costing in Latin America and the Caribbean

    Open AccessDiego Cerecero-Garcia, Fern Terris-Prestholt et al.ARTICLERevista Panamericana de Salud…2024

    Objectives. To summarize available data on unit costs for human immunodeficiency virus (HIV) testing, prevention, and care interventions in Latin America and the Caribbean. Methods. We conducted a systematic literature review of costing studies published between 2012 and 2024, and selected those reporting empirically measured costing data. The available data were categorized according to predefined intervention categories and compared by time and…

  • Preferences for HIV prevention strategies among newly arrived Asian-born men who have sex with men living in Australia

    Open AccessMegan Ung, Sarah Martin et al.ARTICLEFrontiers in Public Health2023

    The HIV epidemic in Australia is changing with higher risk for HIV among newly-arrived Asian-born men who have sex with men (MSM) compared to Australian-born MSM. We evaluated the preferences for HIV prevention strategies among 286 Asian-born MSM living in Australia for <5 years. A latent class analysis uncovered three classes of respondents who were defined by their preferences: “PrEP” (52%), “Consistent condoms” (31%), and “No strategy” (17%). …

  • Pay-it-forward influenza vaccination among older adults and children

    Open AccessFanny Fong-Yi Tang, Priya Kosana et al.ARTICLEPLOS Global Public Health2023

    A quasi-experimental study was conducted to evaluate the effectiveness of a pay-it-forward strategy for increasing influenza vaccination among children and older adults compared to a self-paid vaccination strategy in China. Pay-it-forward is an innovative community-engaged intervention in which participants receive a free influenza vaccination and are then asked if they would like to donate or create a message to support subsequent vaccinations. …

  • Cost-effectiveness of Hepatitis C virus self-testing in four settings

    Open AccessJohn Geoffrey Walker, Josephine G Walker et al.ARTICLEPLOS Global Public Health2023

    Globally, there are approximately 58 million people with chronic hepatitis C virus infection (HCV) but only 20% have been diagnosed. HCV self-testing (HCVST) could reach those who have never been tested and increase uptake of HCV testing services. We compared cost per HCV viraemic diagnosis or cure for HCVST versus facility-based HCV testing services. We used a decision analysis model with a one-year time horizon to examine the key drivers of eco…

  • Understanding mechanisms of impact from community-led delivery of HIV self-testing

    Open AccessPitchaya Indravudh, Fern Terris-Prestholt et al.ARTICLEPLOS Global Public Health2022

    Community HIV strategies are important for early diagnosis and treatment, with new self-care technologies expanding the types of services that can be led by communities. We evaluated mechanisms underlying the impact of community-led delivery of HIV self-testing (HIVST) using mediation analysis. We conducted a cluster-randomised trial allocating 30 group village heads and their catchment areas to the community-led HIVST intervention in addition to…

  • Challenges of using modelling evidence in the visceral leishmaniasis elimination programme in India

    Open AccessNatalie J Dial, Simon L Croft et al.ARTICLEPLOS Global Public Health2022

    As India comes closer to the elimination of visceral leishmaniasis (VL) as a public health problem, surveillance efforts and elimination targets must be continuously revised and strengthened. Mathematical modelling is a compelling research discipline for informing policy and programme design in its capacity to project incidence across space and time, the likelihood of achieving benchmarks, and the impact of different interventions. To gauge the e…

  • Costs and Scale-Up Costs of Integrating HIV Self-Testing Into Civil Society Organisation-Led Programmes for Key Populations in Côte d'Ivoire, Senegal, and Mali

    Open AccessMarc d’Elbée, Marc d'Elbée et al.ARTICLEFrontiers in Public Health2021

    Despite significant progress on the proportion of individuals who know their HIV status in 2020, Côte d'Ivoire (76%), Senegal (78%), and Mali (48%) remain far below, and key populations (KP) including female sex workers (FSW), men who have sex with men (MSM), and people who use drugs (PWUD) are the most vulnerable groups with a HIV prevalence at 5–30%. HIV self-testing (HIVST), a process where a person collects his/her own specimen, performs a te…

  • The cost and intermediary cost-effectiveness of oral HIV self-test kit distribution across 11 distribution models in South Africa

    Open AccessKatleho Matsimela, Linda Sande et al.ARTICLEBMJ Global Health2021

    BACKGROUND: Countries around the world seek innovative ways of closing their remaining gaps towards the target of 95% of people living with HIV (PLHIV) knowing their status by 2030. Offering kits allowing HIV self-testing (HIVST) in private might help close these gaps. METHODS: We analysed the cost, use and linkage to onward care of 11 HIVST kit distribution models alongside the Self-Testing AfRica Initiative's distribution of 2.2 million HIVST k…

  • Community-based HIV self-testing

    Open AccessEuphemia Sibanda, Melissa Neuman et al.ARTICLEBMJ Global Health2021

    BACKGROUND: HIV self-testing (HIVST) requires linkage to post-test services to maximise its benefits. We evaluated effect of supply-side incentivisation on linkage following community-based HIVST and evaluated time-trends in facility-based antiretroviral therapy (ART) initiations. METHODS: From August 2016 to August 2017 community-based distributors (CBDs) in 38 rural Zimbabwean communities distributed HIVST door-to-door in 19-25 day campaigns. C…

  • Effect of peer-distributed HIV self-test kits on demand for biomedical HIV prevention in rural KwaZulu-Natal, South Africa

    Open AccessM Shahmanesh, Thobile Mthiyane et al.ARTICLEBMJ Global Health2021

    Study objective We investigated two peer distribution models of HIV self-testing (HIVST) in HIV prevention demand creation compared with trained young community members (peer navigators). Methods We used restricted randomisation to allocate 24 peer navigator pairs (clusters) in KwaZulu-Natal 1:1:1: (1) standard of care ( SOC): peer navigators distributed clinic referrals, pre-exposure prophylaxis (PrEP) and antiretroviral therapy (ART) informatio…

  • Pragmatic economic evaluation of community-led delivery of HIV self-testing in Malawi

    Open AccessPitchaya Indravudh, Katherine Fielding et al.ARTICLEBMJ Global Health2021

    INTRODUCTION: Community-based strategies can extend coverage of HIV testing and diagnose HIV at earlier stages of infection but can be costly to implement. We evaluated the costs and effects of community-led delivery of HIV self-testing (HIVST) in Mangochi District, Malawi. METHODS: This economic evaluation was based within a pragmatic cluster-randomised trial of 30 group village heads and their catchment areas comparing the community-led HIVST i…

  • The cost effectiveness and optimal configuration of HIV self-test distribution in South Africa

    Open AccessLise Jamieson, Leigh F Johnson et al.ARTICLEBMJ Global Health2021

    BACKGROUND: HIV self-testing (HIVST) has been shown to be acceptable, feasible and effective in increasing HIV testing uptake. Novel testing strategies are critical to achieving the UNAIDS target of 95% HIV-positive diagnosis by 2025 in South Africa and globally. METHODS: We modelled the impact of six HIVST kit distribution modalities (community fixed-point, taxi ranks, workplace, partners of primary healthcare (PHC) antiretroviral therapy (ART) …

  • Comparison of community-led distribution of HIV self-tests kits with distribution by paid distributors

    Open AccessEuphemia Sibanda, Collin Mangenah et al.ARTICLEBMJ Global Health2021

    BACKGROUND: We compared community-led versus an established community-based HIV self-testing (HIVST) model in rural Zimbabwe using a cluster-randomised trial. METHODS: Forty village groups were randomised 1:1 using restricted randomisation to community-led HIVST, where communities planned and implemented HIVST distribution for 4 weeks, or paid distribution (PD), where distributors were paid US$50 to distribute kits door-to-door over 4 weeks. Indi…

  • Relative efficiency of demand creation strategies to increase voluntary medical male circumcision uptake

    Open AccessCollin Mangenah, Webster Mavhu et al.ARTICLEBMJ Global Health2021

    BACKGROUND: Supply and demand-side factors continue to undermine voluntary medical male circumcision (VMMC) uptake. We assessed relative economic costs of four VMMC demand creation/service-delivery modalities as part of a randomised controlled trial in Zimbabwe. METHODS: Interpersonal communication agents were trained and incentivised to generate VMMC demand across five districts using four demand creation modalities (standard demand creation (SD…

  • Costs of integrating HIV self-testing in public health facilities in Malawi, South Africa, Zambia and Zimbabwe

    Open AccessLinda Sande, Linda Alinafe Sande et al.ARTICLEBMJ Global Health2021

    INTRODUCTION: As countries approach the UNAIDS 95-95-95 targets, there is a need for innovative and cost-saving HIV testing approaches that can increase testing coverage in hard-to-reach populations. The HIV Self-Testing Africa-Initiative distributed HIV self-test (HIVST) kits using unincentivised HIV testing counsellors across 31 public facilities in Malawi, South Africa, Zambia and Zimbabwe. HIVST was distributed either through secondary (partn…

  • Modelling costs of community-based HIV self-testing programmes in Southern Africa at scale

    Open AccessMarc d’Elbée, Gabriela B Gomez et al.ARTICLEBMJ Global Health2021

    BACKGROUND: Following success demonstrated with the HIV Self-Testing AfRica Initiative, HIV self-testing (HIVST) is being added to national HIV testing strategies in Southern Africa. An analysis of the costs of scaling up HIVST is needed to inform national plans, but there is a dearth of evidence on methods for forecasting costs at scale from pilot projects. Econometric cost functions (ECFs) apply statistical inference to predict costs; however, …

  • Describing, analysing and understanding the effects of the introduction of HIV self-testing in West Africa through the Atlas programme in Côte d’Ivoire, Mali and Senegal

    Open Accessfor the ATLAS Team, Nicolas Rouveau et al.ARTICLEBMC Public Health2021

    ATLAS is the first comprehensive study on HIV self-testing in West Africa. The ATLAS programme focuses particularly on the secondary distribution of HIVST. This protocol was approved by three national ethic committees and the WHO's Ethical Research Committee

  • Too old to test?’

    Open AccessCheryl Johnson, Moses Kumwenda et al.ARTICLEBMC Public Health2021

    Characteristics associated with age-gender norms and social position encourage self-testing but drive poor HIV-risk perception and unacceptability of conventional HIV testing in midlife-older adults. There is an urgent need to provide targeted messages and services more appropriate to midlife-older adults in sub-Saharan Africa. HIVST which has often been highlighted as a tool for reaching young people, may be a valuable tool for engaging midlife-…

  • Efficiency in PrEP Delivery

    Open AccessCollin Mangenah, Definate Nhamo et al.ARTICLEAIDS and Behavior2021

    Although oral PrEP is highly effective at preventing HIV acquisition, optimizing continuation among beneficiaries is challenging in many settings. We estimated the costs of delivering oral PrEP to populations at risk of HIV in seven clinics in Zimbabwe. Full annual economic costs of oral PrEP initiations and continuation visits were estimated from the providers' perspective for a six-clinic NGO network and one government SGBV clinic in Zimbabwe (…

  • Use and awareness of and willingness to self-test for HIV

    Open AccessCheryl Johnson, Melissa Neuman et al.ARTICLEBMC Public Health2020

    In 2015-16, many Malawian and Zimbabwean men had never tested for HIV. Despite low awareness and minimal HIVST experience, willingness to self-test was high among Zimbabwean men, especially older men with moderate-to-high HIV-related sexual risk. These data provide a valuable baseline against which to investigate population-level uptake of HIVST as programmes scale up. Programmes introducing, or planning to introduce, HIVST should consider includ…

  • Determinants of heterosexual men's demand for long-acting injectable pre-exposure prophylaxis (PrEP) for HIV in urban South Africa

    Open AccessChih‐Yuan Cheng, Matthew Quaife et al.ARTICLEBMC Public Health2019

    The results suggested a relatively high demand and theoretical acceptability for LAI PrEP among heterosexual men in urban South Africa, but there appeared to be fewer distinct predictors for the willingness to use LAI PrEP compared to studies conducted among gay and bisexual men and women. Nevertheless, the findings contribute to the mapping of the demand and determinants of heterosexual men's preferences for novel antiretroviral-based prevention…