Simon Gregson
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View article: Changes in Use of HIV Prevention Methods in East Zimbabwe over the Course of the COVID-19 Pandemic: A Longitudinal Population Study
Changes in Use of HIV Prevention Methods in East Zimbabwe over the Course of the COVID-19 Pandemic: A Longitudinal Population Study Open
Introduction COVID-19 posed substantial challenges for sustaining use of HIV prevention services in sub-Saharan African populations. However, data on changes in use of HIV primary prevention methods within the general population over the c…
View article: Changes in Age-Specific Pregnancy Prevalence Proportions over the Covid-19 Pandemic in Manicaland, Zimbabwe
Changes in Age-Specific Pregnancy Prevalence Proportions over the Covid-19 Pandemic in Manicaland, Zimbabwe Open
Past infectious disease outbreaks have altered population fertility in ways that contribute to changes in population age-structure and subsequent needs for public services. However, little is known about how fertility changed over the Covi…
View article: Measurement and interpretation of the Harare HIV combination prevention cascade in priority populations: a population survey of adolescent girls and young women and young men in Zimbabwe
Measurement and interpretation of the Harare HIV combination prevention cascade in priority populations: a population survey of adolescent girls and young women and young men in Zimbabwe Open
Introduction HIV-negative adolescent girls and young women (AGYW), and men (ABYM), have disproportionately high HIV incidence in many African countries. We used a new HIV Prevention Cascade (HPC) approach to quantify levels of, and barrier…
View article: Correction: The impact of COVID-19 on sexual risk behaviour for HIV acquisition in east Zimbabwe: An observational study
Correction: The impact of COVID-19 on sexual risk behaviour for HIV acquisition in east Zimbabwe: An observational study Open
[This corrects the article DOI: 10.1371/journal.pgph.0003194.].
View article: Gender Norms and Structural Barriers to Use of HIV Prevention in Unmarried and Married Young Women in Manicaland, Zimbabwe: An HIV Prevention Cascade Analysis
Gender Norms and Structural Barriers to Use of HIV Prevention in Unmarried and Married Young Women in Manicaland, Zimbabwe: An HIV Prevention Cascade Analysis Open
Background Gender norms against adolescent girls and young women (AGYW)’s having pre-marital sex and using condoms in marriage are included as barriers to motivation to use condoms in HIV prevention cascades. Representative data on gender …
View article: Association of life-course events with predictors of HIV risk behaviour and HIV acquisition in Manicaland, Zimbabwe: a longitudinal analysis of a population cohort
Association of life-course events with predictors of HIV risk behaviour and HIV acquisition in Manicaland, Zimbabwe: a longitudinal analysis of a population cohort Open
Bill and Melinda Gates Foundation, UK Medical Research Council, and Department for International Development.
View article: Measurement and interpretation of the Harare HIV combination prevention cascade in priority populations: A population survey of adolescent girls and young women and young men in Zimbabwe
Measurement and interpretation of the Harare HIV combination prevention cascade in priority populations: A population survey of adolescent girls and young women and young men in Zimbabwe Open
Introduction HIV-negative adolescent girls and young women (AGYW), and male partners, have disproportionately high HIV incidence in many African countries. We used a new HIV Prevention Cascade (HPC) approach to quantify levels of, and barr…
View article: Correction: Intimate partner violence, behaviours associated with risk of HIV acquisition and condom use in married women in Manicaland, East Zimbabwe: An HIV prevention cascade analysis
Correction: Intimate partner violence, behaviours associated with risk of HIV acquisition and condom use in married women in Manicaland, East Zimbabwe: An HIV prevention cascade analysis Open
View article: Intimate partner violence, behaviours associated with risk of HIV acquisition and condom use in married women in Manicaland, East Zimbabwe: An HIV prevention cascade analysis
Intimate partner violence, behaviours associated with risk of HIV acquisition and condom use in married women in Manicaland, East Zimbabwe: An HIV prevention cascade analysis Open
Background Intimate partner violence (IPV) is widespread in the WHO African region with generalised HIV epidemics and may contribute to ongoing HIV transmission through its associations with behaviours associated with HIV acquisition risk …
View article: Dynamic HIV risk differentiation among youth: Validation of a tool for prioritization of prevention in East Zimbabwe
Dynamic HIV risk differentiation among youth: Validation of a tool for prioritization of prevention in East Zimbabwe Open
Background Differentiating risk for HIV infection is important for providing focussed prevention options to individuals. We conducted a longitudinal study to validate a risk-differentiation tool for predicting HIV or HSV-2 acquisition amon…
View article: Appraising the HIV Prevention Cascade methodology to improve HIV prevention targets: Lessons learned from a general population pilot study in east Zimbabwe
Appraising the HIV Prevention Cascade methodology to improve HIV prevention targets: Lessons learned from a general population pilot study in east Zimbabwe Open
Introduction Multiple HIV Prevention Cascades (HPC) formulations have been proposed to assist advocacy, monitoring of progress of HIV prevention implementation and research to identify ways to increase use of HIV prevention methods. Schaef…
View article: Temporal changes in cause of death among adolescents and adults in six countries in eastern and southern Africa in 1995–2019: a multi-country surveillance study of verbal autopsy data
Temporal changes in cause of death among adolescents and adults in six countries in eastern and southern Africa in 1995–2019: a multi-country surveillance study of verbal autopsy data Open
National Institute of Child Health and Human Development of the US National Institutes of Health.
View article: The impact of COVID-19 on sexual risk behaviour for HIV acquisition in east Zimbabwe: An observational study
The impact of COVID-19 on sexual risk behaviour for HIV acquisition in east Zimbabwe: An observational study Open
The Covid-19 pandemic and associated restrictions have the potential to alter sexual risk behaviours for HIV acquisition with important implications for HIV prevention programmes in sub-Saharan Africa. To date, no large-scale data have bee…
View article: Associations between HIV stigma and health-related quality-of-life among people living with HIV: cross-sectional analysis of data from HPTN 071 (PopART)
Associations between HIV stigma and health-related quality-of-life among people living with HIV: cross-sectional analysis of data from HPTN 071 (PopART) Open
View article: Author Correction: Using mortuary and burial data to place COVID-19 in Lusaka, Zambia within a global context
Author Correction: Using mortuary and burial data to place COVID-19 in Lusaka, Zambia within a global context Open
View article: Gender Norms and Structural Barriers to Use of HIV Prevention in Unmarried and Married Young Women in Manicaland, Zimbabwe: An HIV Prevention Cascade Analysis
Gender Norms and Structural Barriers to Use of HIV Prevention in Unmarried and Married Young Women in Manicaland, Zimbabwe: An HIV Prevention Cascade Analysis Open
Background Gender norms against adolescent girls and young women (AGYW)’s having pre-marital sex and using condoms in marriage are included as barriers to motivation to use condoms in HIV prevention cascades. Representative survey data on…
View article: Prioritizing COVID-19 vaccine allocation in resource poor settings: Towards an Artificial Intelligence-enabled and Geospatial-assisted decision support framework
Prioritizing COVID-19 vaccine allocation in resource poor settings: Towards an Artificial Intelligence-enabled and Geospatial-assisted decision support framework Open
Objectives To propose a novel framework for COVID-19 vaccine allocation based on three components of Vulnerability, Vaccination, and Values (3Vs). Methods A combination of geospatial data analysis and artificial intelligence methods for ev…
View article: The effect of universal testing and treatment for HIV on health-related quality of life – An analysis of data from the HPTN 071 (PopART) cluster randomised trial
The effect of universal testing and treatment for HIV on health-related quality of life – An analysis of data from the HPTN 071 (PopART) cluster randomised trial Open
The intervention did not change overall HRQoL, suggesting that raising HRQoL among PLHIV might require more than improved testing and treatment. However, PLHIV had fewer problems with pain/discomfort under the full intervention; this benef…
View article: Using mortuary and burial data to place COVID-19 in Lusaka, Zambia within a global context
Using mortuary and burial data to place COVID-19 in Lusaka, Zambia within a global context Open
Reported COVID-19 cases and associated mortality remain low in many sub-Saharan countries relative to global averages, but true impact is difficult to estimate given limitations around surveillance and mortality registration. In Lusaka, Za…
View article: Strengthening the HIV prevention cascade to maximise epidemiological impact in eastern Zimbabwe: a modelling study
Strengthening the HIV prevention cascade to maximise epidemiological impact in eastern Zimbabwe: a modelling study Open
National Institutes of Mental Health, Bill & Melinda Gates Foundation, and Medical Research Council Centre for Global Infectious Disease Analysis funding from the UK Medical Research Council and UK Foreign, Commonwealth & Development Offic…
View article: Relationship between psychological distress, health behaviours and future reports of hypertension among adults in East Zimbabwe: a cohort study
Relationship between psychological distress, health behaviours and future reports of hypertension among adults in East Zimbabwe: a cohort study Open
Introduction Extensive cross-sectional evidence has demonstrated an association between psychological distress (PD) and hypertension. However, evidence on the temporal relationship is limited, especially in low-income and middle-income cou…
View article: PCR134 Associations between HIV Stigma and Health-Related Quality of Life Among People Living with HIV in Zambia and South Africa: A Cross-Sectional Analysis of Data from the HPTN 071 (POPART) Study
PCR134 Associations between HIV Stigma and Health-Related Quality of Life Among People Living with HIV in Zambia and South Africa: A Cross-Sectional Analysis of Data from the HPTN 071 (POPART) Study Open
View article: ‘Condoms are hard to get by’: access to HIV prevention methods during lockdown of the COVID-19 epidemic in eastern Zimbabwe
‘Condoms are hard to get by’: access to HIV prevention methods during lockdown of the COVID-19 epidemic in eastern Zimbabwe Open
People at risk of HIV experienced the COVID-19 epidemic in Zimbabwe as disruptive to access to HIV prevention methods. While the disruptions were temporary, they were long enough to catalyse local responses, and to highlight the need for f…
View article: Temporal discrepancies in “rapid” HIV testing: explaining misdiagnoses at the point-of-care in Zimbabwe
Temporal discrepancies in “rapid” HIV testing: explaining misdiagnoses at the point-of-care in Zimbabwe Open
View article: Associations between HIV status and self-reported hypertension in a high HIV prevalence sub-Saharan African population: a cross-sectional study
Associations between HIV status and self-reported hypertension in a high HIV prevalence sub-Saharan African population: a cross-sectional study Open
Objectives This study examined whether HIV status and antiretroviral therapy (ART) exposure were associated with self-reported hypertension in Zimbabwe. Design Study data were taken from a cross-sectional, general population survey, which …
View article: Rituals of care: Strategies adopted by HIV testers to avoid misdiagnosis in rapid HIV testing in Zimbabwe
Rituals of care: Strategies adopted by HIV testers to avoid misdiagnosis in rapid HIV testing in Zimbabwe Open
A growing number of studies highlight high levels of misdiagnosis in the scale-up of HIV rapid testing programmes, which often remain invisible to individual testers. Drawing on interviews with HIV testers and observations in four health f…
View article: “It will not be easy to accept”: Parents conflicting attitudes towards pre-exposure prophylaxis for HIV prevention amongst adolescent girls and young women
“It will not be easy to accept”: Parents conflicting attitudes towards pre-exposure prophylaxis for HIV prevention amongst adolescent girls and young women Open
While parents' conflicting attitudes towards PrEP may provide spaces and opportunities for change, harmful gender norms and negative attitudes towards PrEP must be addressed at a community and cultural level. Only then can parents and thei…
View article: Status of the HIV epidemic in Manicaland, east Zimbabwe prior to the outbreak of the COVID-19 pandemic
Status of the HIV epidemic in Manicaland, east Zimbabwe prior to the outbreak of the COVID-19 pandemic Open
Background Manicaland province in eastern Zimbabwe has a high incidence of HIV. Completion of the seventh round of the Manicaland Survey in 2018–2019 provided the opportunity to assess the state of the epidemic prior to the start of the CO…
View article: How gender norms and ‘good girl’ notions prevent adolescent girls and young women from engaging with PrEP: qualitative insights from Zimbabwe
How gender norms and ‘good girl’ notions prevent adolescent girls and young women from engaging with PrEP: qualitative insights from Zimbabwe Open
Background Pre-exposure prophylaxis, or PrEP, has been hailed for its promise to provide women with user-control. However, gender-specific challenges undermining PrEP use are beginning to emerge. We explore the role of gender norms in shap…
View article: Improving access to pre-exposure prophylaxis for adolescent girls and young women: recommendations from healthcare providers in eastern Zimbabwe
Improving access to pre-exposure prophylaxis for adolescent girls and young women: recommendations from healthcare providers in eastern Zimbabwe Open
Background In sub-Saharan Africa, adolescent girls and young women (AGYW) are at high risk of acquiring HIV. A growing number of sub-Saharan African countries are beginning to avail pre-exposure prophylaxis, or PrEP, but with limited succe…