Edina Amponsah-Dacosta

Datos Biográficos

ID7238786
NOMBREEdina Amponsah-Dacosta
NOMBRESEdina
APELLIDOAmponsah-Dacosta
FIRMAAMPONSAH-DACOSTA E
AFILIACIONESUniversity of Cape Town
ORCID0000-0002-3913-0457
VERIFICADOSí
TOTAL DE OBRAS28
TOTAL DE CITAS0
TOTAL COMO AUTOR5
TOTAL COMO EDITOR23
PRIMER AÑO DE PUBLICACIÓN2020
AÑO MÁS RECIENTE DE PUBLICACIÓN2026
ÍNDICE H0

  • Assessing the impact of a gender-neutral approach to HPV vaccination on vaccination coverage for nine-year-old girls in Cameroon

    Open AccessBridget C Griffith, Shariffatou Iliassu et al.ARTICLEPLOS Global Public Health2026

    Cameroon introduced the human papilloma virus vaccine (HPVV) into the routine immunization schedule in October 2020. By the end of 2022, coverage remained low. To increase coverage, Cameroon switched to a country-wide, gender-neutral vaccination (GNV) approach in 2023, coupled with a revamped delivery strategy of Community Dialogues (CDs) and Periodic Intensification of Routine Immunization (PIRIs) activities in selected health districts (HDs). W…

  • Awareness, knowledge, and cervical cancer screening behaviour in an urban informal settlement

    Open AccessWinfred Kananu Kubai, Alfred Owino Odongo et al.ARTICLEPLOS Global Public Health2026

    Cervical cancer screening uptake in Kenya remains far below global targets, particularly in urban informal settlements where knowledge gaps persist despite widespread awareness campaigns. Understanding how knowledge shapes screening behavior is critical to explaining the persistent gap between willingness and action. The objective was to examine knowledge-related determinants of cervical cancer screening uptake among mothers aged 25–49 years in K…

  • Policies and strategies for HPV vaccination schedule completion in immunocompromised girls, including girls living with HIV

    Open AccessEmily E Crawford, Tosin Ajayi et al.ARTICLEPLOS Global Public Health2026

    Immunocompromised girls, including girls living with HIV, face significantly increased risk for HPV-linked cervical cancer and require a differentiated human papillomavirus (HPV) vaccination schedule. While World Health Organization (WHO) vaccination guidelines exist, recommending immunocompromised individuals receive at least two, if possible three doses of HPV vaccine, little is known about how country health programs implement these recommenda…

  • Exploring drivers of childhood vaccine hesitancy among caregivers in Brazil and South Africa

    Open AccessCamila Carvalho De Souza Amorim Matos, Camila C Matos et al.ARTICLEGlobal Public Health2026

    This article examines the global issue of vaccine hesitancy in Brazil and South Africa, two economically unequal BRICS nations. Despite their established immunization programs, both countries are grappling with coverage decreases, leading to outbreaks. The role of vaccine hesitancy in this scenario is significant. This qualitative study aims to understand childhood vaccine hesitancy in these contexts, highlighting social and behavioral drivers. I…

  • Experiences and care trajectories of persons living with Hepatitis B in Senegal

    Open AccessMariama Diédhiou, Albert Gautier Ndione et al.ARTICLEPLOS Global Public Health2025

    Hepatitis B virus (HBV) infection is a public health concern in Senegal, where individuals encounter multifaceted barriers in their care trajectories. This qualitative study aimed to identify the individual, social, and structural determinants influencing HBV care delivery to inform targeted interventions for improving access. Between February and April 2021, we included 29 adults living with HBV from SEN-B, a prospective HBV cohort in urban Sene…

  • Contextualizing future maternal RSV vaccination acceptance and trust among pregnant and lactating women in Kenya

    Open AccessMolly Sauer, Berhaun Fesshaye et al.ARTICLEPLOS Global Public Health2025

    Maternal vaccination, or vaccination in pregnancy, offers a critical opportunity to provide protection to pregnant women and simultaneously confer passive immunity to infants in the first months of life, when infections are particularly serious and their immune systems are still developing. Respiratory syncytial virus (RSV) is one such serious infectious disease for newborns, but a newly approved and recommended vaccine for respiratory syncytial …

  • Maintenance of service delivery during medical countermeasures deployment

    Open AccessSteven Ndugwa Kabwama, Neda Razaz et al.ARTICLEPLOS Global Public Health2025

    COVID-19 vaccines significantly reduced COVID-19 related morbidity and mortality. Although purposeful response measures like movement restrictions affected delivery of other health services, few studies have investigated the association between COVID-19 vaccination as a response strategy and continuity of other immunization services. We aimed to assess the association between the COVID-19 vaccine rollout and continuity of routine immunization ser…

  • Acceptability of self-sampling for high-risk HPV DNA testing for primary cervical cancer screening among women in Thyolo, Malawi

    Open AccessHussein H Twabi, Wakumanya Sibande et al.ARTICLEPLOS Global Public Health2025

    Despite the roll-out of cervical cancer screening within routine health facilities, uptake of cervical cancer screening in Malawi remains low due to factors such as privacy concerns, stigma, and distance to health facility. Self-sampling for human papillomavirus (HPV) testing offers a viable alternative to provider-delivered sampling, resolving issues with accessibility and privacy related barriers. However, there is limited understanding of the …

  • Hepatitis B infection (HBsAg and HBeAg) status among women attending antenatal care at public healthcare facilities of South Africa, 2017

    Open AccessShelina Moonsamy, Pavitra Pillay et al.ARTICLEPLOS Global Public Health2025

    Eight years after WHO adopted a resolution to eliminate hepatitis B by the year 2030, the disease remains a global public health concern, with vertical transmission of HBV being a major obstacle to this goal. Our study aimed to determine the HBV infection status of pregnant women in South Africa at a national level to evaluate the risk of vertical transmission and provide evidence for public health decision-making. We conducted HBsAg testing on 1…

  • Perceptions of barriers and facilitators for cervical cancer screening from women and healthcare workers in Ghana

    Open AccessAdwoa Bemah Boamah Mensah, Thomas Okpoti Konney et al.ARTICLEPLOS Global Public Health2025

    Cervical cancer screening has reduced cervical cancer-related mortality by over 70% in countries that have achieved high coverage. However, there are significant geographic disparities in access to screening. In Ghana, although cervical cancer is the second most common cancer in women, there is no national-level cervical cancer screening program, and only 2–4% of eligible Ghanaian women have ever been screened for cervical cancer. This study used…

  • Assessing the global implications of the Covid-19 pandemic on the cervical cancer elimination initiative

    Open AccessAnisha M Loeb, Patti E Gravitt et al.ARTICLEPLOS Global Public Health2025

    The COVID-19 pandemic disrupted many public health programs; understanding these disruptions is critical for directing future resources. In a project studying the implementation of human papillomavirus (HPV) testing-based cervical cancer screening, we queried about the impact of the pandemic on screening programs globally. In consultation with World Health Organization’s Regional Advisors, program managers, government officials, and clinicians in…

  • Towards contextualized complex systems approaches to scaling-up hepatitis B birth-dose vaccination in the African region

    Open AccessTasneem Solomon-Rakiep, Jill Olivier et al.ARTICLEFrontiers in Public Health2024

  • Timeliness of 24 childhood immunisations and evolution of vaccination delay

    Open AccessNieves Derqui, Isobel M Blake et al.ARTICLEPLOS Global Public Health2024

    Vaccination timeliness is often not considered among standard performance indicators of routine vaccination programmes, such as vaccination coverage, yet quantifying vaccination delay could inform policies to promote in-time vaccination and help design vaccination schedules. Here, we analysed vaccination timeliness for 24 routine childhood immunisations for 54 countries. We extracted individual vaccination status and timing from Demographic and H…

  • Uptake of Covid-19 vaccine and associated factors among Health Care Workers at Queen Elizabeth Central Hospital in Malawi

    Open AccessAngella Joseph Chikhoza, Wingston Ng’ambi et al.ARTICLEPLOS Global Public Health2024

    Globally, the introduction of the Coronavirus Disease of 2019 (COVID-19) vaccine within one year of the pandemic brought doubts to the general population including health professionals. Even though Health Care Workers (HCWs) are at a high risk of contracting and transmitting the coronavirus due to their work, their COVID-19 vaccine uptake is unknown. This study aimed to determine the uptake of the COVID-19 vaccine and identify factors associated …

  • Assessment of knowledge of human papillomavirus transmission and prevention among tertiary institution students in the Plateau Central Senatorial District, Nigeria

    Open AccessJuliana Rume, Imran Morhason‐Bello et al.ARTICLEPLOS Global Public Health2024

    Human papillomavirus infection (HPV) is a significant global public health concern, known to be a leading cause of cancer related death among women in sub-Saharan Africa. This study assessed knowledge of HPV infection, transmission, prevention, and HPV vaccine uptake among tertiary institution students in Plateau State, Nigeria. A cross-sectional study was conducted among students from two tertiary institutions in Plateau State, Nigeria. Using a …

  • Effects of emerging Sars-CoV-2 on total and cause-specific maternal mortality

    Open AccessYordanis Enríquez Canto, María Elena Critto et al.ARTICLEPLOS Global Public Health2024

    This study estimated the effects of the COVID-19 pandemic on maternal mortality in Chile between 2020 and 2021. A natural experiment was conducted using official data on maternal deaths and live births (LBs) between 1997 and 2021. The effects of the SARS-CoV-2 outbreak were evaluated using interrupted time series (ITS) and an autoregressive integrated moving average (ARIMA) model to forecast the expected rates on MMR and 95% confidence intervals …

  • Barriers and facilitators to hepatitis B birth dose vaccination

    Open AccessCatherine Freeland, Florence A Kanu et al.ARTICLEPLOS Global Public Health2023

    Nigeria is estimated to have the largest number of children worldwide, living with chronic hepatitis B virus (HBV) infection, the leading cause of liver cancer. Up to 90% of children infected at birth develop chronic HBV infection. A birth dose of the hepatitis B vaccine (HepB-BD) followed by at least two additional vaccine doses is recommended for prevention. This study assessed barriers and facilitators of HepB-BD administration and uptake, usi…

  • Concurrent HPV DNA testing and a visual inspection method for cervical precancer screening

    Open AccessKofi Effah, Ethel Tekpor et al.ARTICLEPLOS Global Public Health2023

    Cytology-based cervical cancer screening programs have been difficult to implement and scale up in developing countries. Thus, the World Health Organization recommends a ‘see and treat’ approach by way of hr-HPV testing and visual inspection. We aimed to evaluate concurrent HPV DNA testing and visual inspection in a real-world low-resource setting by comparing the detection rates of concurrent visual inspection with dilute acetic acid (VIA) or mo…

  • Health care workers’ self-perceived infection risk and Covid-19 vaccine uptake

    Open AccessKasusu Nyamuryekung’e, Maryam Amour et al.ARTICLEPLOS Global Public Health2023

    Vaccination is the most cost-effective way of preventing Coronavirus Disease 2019 (COVID-19) although there was a considerable delay in its institution in Tanzania. This study assessed health care workers’ (HCWs) self-perceived infection risk and uptake of COVID-19 vaccines. A concurrent embedded, mixed methods design was utilized to collect data among HCWs in seven Tanzanian regions. Quantitative data was collected using a validated, pre-piloted…

  • Cost-effectiveness analysis of a maternal pneumococcal vaccine in low-income, high-burden settings such as Sierra Leone

    Open AccessGizem Mayis Bilgin, Syarifah Liza Munira et al.ARTICLEPLOS Global Public Health2023

    Maternal pneumococcal vaccines have been proposed as a method of protecting infants in the first few months of life. In this paper, we use results from a dynamic transmission model to assess the cost-effectiveness of a maternal pneumococcal polysaccharide vaccine from both healthcare and societal perspectives. We estimate the costs of delivering a maternal pneumococcal polysaccharide vaccine, the healthcare costs averted, and productivity losses …

  • Universal varicella vaccination in Denmark

    Open AccessColleen Burgess, Salome Samant et al.ARTICLEPLOS Global Public Health2023

    We modeled the long-term clinical and economic impact of two-dose universal varicella vaccination (UVV) strategies in Denmark using a dynamic transmission model. The cost-effectiveness of UVV was evaluated along with the impact on varicella (including age-shift) and herpes zoster burden. Six two-dose UVV strategies were compared to no vaccination, at either short (12/15 months) or medium (15/48 months) intervals. Monovalent vaccines (V-MSD or V-G…

  • Optimizing next-generation RSV prevention in Mali

    Open AccessRachel S Laufer, Ranju Baral et al.ARTICLEPLOS Global Public Health2023

    Respiratory syncytial virus (RSV) is the most common cause of early childhood lower respiratory tract infection (LRTI) in low- and middle-income countries (LMICs). Maternal vaccines, birth-dose extended half-life monoclonal antibodies (mAbs), and pediatric vaccines are under development for prevention of respiratory syncytial virus (RSV) lower respiratory tract infection (LRTI) in young children. We analyzed the health and economic impact of RSV …

  • Human Papillomavirus Vaccination in South Africa

    Open AccessEdina Amponsah-Dacosta, Ntombifuthi Blose et al.ARTICLEFrontiers in Public Health2022

    Compared to other regions of the world, sub-Saharan Africa has made limited progress in the implementation and performance of nationwide human papillomavirus (HPV) vaccination programmes. Without urgent intervention, this will serve to undermine cervical cancer elimination efforts in this region. The primary intent of this narrative review is to highlight the programmatic successes and challenges of the school-based HPV vaccination programme in S…

  • Low knowledge about hepatitis B prevention among pregnant women in Kinshasa, Democratic Republic of Congo

    Open AccessSahal Thahir, Samantha E Tulenko et al.ARTICLEPLOS Global Public Health2022

    Infants infected perinatally with hepatitis B (HBV) are at the highest risk of developing chronic hepatitis and associated sequelae. Prevention of mother-to-child transmission (PMTCT) of HBV requires improved screening and awareness of the disease. This study evaluated existing HBV knowledge among pregnant mothers (n = 280) enrolled in two HBV studies in urban maternity centers in Kinshasa, Democratic Republic of the Congo. All mothers responded …

  • Reduction in initiations of drug-sensitive tuberculosis treatment in South Africa during the Covid-19 pandemic

    Open AccessMariet Benade, Lawrence Long et al.ARTICLEPLOS Global Public Health2022

    In response to the global pandemic of COVID-19, South Africa implemented a strict lockdown in March 2020 before its first COVID-19 wave started, gradually lifted restrictions between May and September 2020, and then re-imposed restrictions in December 2020 in response to its second wave. There is concern that COVID-19-related morbidity and mortality, the deprioritization of TB activities, fear of transmission, and societal restrictions led to a r…