Helena Herrera

Portsmouth, ENG PO12UP, United Kingdom

Last Updated: 09/26/2026

Save publications for later

Sign Up

Not sure about your diagnosis?

Check Your Symptoms

Found 36 publications

Gendered Pathways to Missed and Zero-Dose Polio Vaccination in Children: A Narrative Review of Women's Autonomy, Household Decision-Making, Structural Barriers, and Health System Responsiveness in Afghanistan, Nigeria, Pakistan, and Sudan.

Gendered Pathways to Missed and Zero-Dose Polio Vaccination in Children: A Narrative Review of Women's Autonomy, Household Decision-Making, Structural Barriers, and Health System Responsiveness in Afghanistan, Nigeria, Pakistan, and Sudan.

Journal: Vaccines

Published: July 01, 2026

The burden and risk factors of NCDs in Zimbabwe: evidence from the Zimbabwe population based HIV impact assessment 2020 survey.

The burden and risk factors of NCDs in Zimbabwe: evidence from the Zimbabwe population based HIV impact assessment 2020 survey.

Journal: BMC public health

Published: January 09, 2026

Gender-Associated Factors on the Occurrence and Prevalence of Zero-Dose Children in Sub-Saharan Africa: A Critical Literature Review.

Gender-Associated Factors on the Occurrence and Prevalence of Zero-Dose Children in Sub-Saharan Africa: A Critical Literature Review.

Journal: Tropical medicine and infectious disease

Published: July 14, 2025

Paternal factors affecting under-five immunization status in Sub-Saharan Africa: A systematic review and meta-analysis.

Paternal factors affecting under-five immunization status in Sub-Saharan Africa: A systematic review and meta-analysis.

Journal: Vaccine

Published: May 05, 2025

Condomless anal intercourse among HIV-positive and HIV-negative men who have sex with men in Zimbabwe.

Condomless anal intercourse among HIV-positive and HIV-negative men who have sex with men in Zimbabwe.

Journal: Southern African journal of HIV medicine

Published: March 08, 2024

Rural-urban disparities and socioeconomic determinants of caesarean delivery rates in Zimbabwe: Evidence from the 2019 National Multiple Indicator Cluster Survey.

Rural-urban disparities and socioeconomic determinants of caesarean delivery rates in Zimbabwe: Evidence from the 2019 National Multiple Indicator Cluster Survey.

Journal: South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

Published: January 18, 2024

Using machine learning models to plan HIV services: Emerging opportunities in design, implementation and evaluation.

Using machine learning models to plan HIV services: Emerging opportunities in design, implementation and evaluation.

Journal: South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

Published: August 22, 2023

Redefining HIV care: a path toward sustainability post-UNAIDS 95-95-95 targets.

Redefining HIV care: a path toward sustainability post-UNAIDS 95-95-95 targets.

Journal: Frontiers in public health

Published: August 08, 2023

Zimbabwean law and its impact on HIV programmes for key populations.

Zimbabwean law and its impact on HIV programmes for key populations.

Journal: Frontiers in public health

Published: August 04, 2023

Understanding the role of intimate partner violence on HIV transmission in Zimbabwe: Secondary data analysis of data from the Zimbabwe demographic survey 2015-2016.

Understanding the role of intimate partner violence on HIV transmission in Zimbabwe: Secondary data analysis of data from the Zimbabwe demographic survey 2015-2016.

Journal: Health promotion perspectives

Published: August 22, 2022

Predicting HIV Status among Men Who Have Sex with Men in Bulawayo & Harare, Zimbabwe Using Bio-Behavioural Data, Recurrent Neural Networks, and Machine Learning Techniques.

Predicting HIV Status among Men Who Have Sex with Men in Bulawayo & Harare, Zimbabwe Using Bio-Behavioural Data, Recurrent Neural Networks, and Machine Learning Techniques.

Journal: Tropical medicine and infectious disease

Published: August 11, 2022

Risk of mortality in HIV-infected COVID-19 patients: A systematic review and meta-analysis.

Risk of mortality in HIV-infected COVID-19 patients: A systematic review and meta-analysis.

Journal: Journal of infection and public health

Published: March 04, 2022

Showing 1-12 of 36

Last Updated: 09/26/2026