Nana A. Ansah

Navrongo, UE, Ghana

Last Updated: 09/26/2026

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Found 12 publications

Immunogenicity and safety of a meningococcal a conjugate vaccine administered with routine EPI vaccines in African infants and toddlers.

Immunogenicity and safety of a meningococcal a conjugate vaccine administered with routine EPI vaccines in African infants and toddlers.

Journal: Vaccine

Published: May 15, 2025

Effectiveness of the RTS,S/AS01E malaria vaccine in a real-world setting over 1 year of follow-up after the three-dose primary schedule: an interim analysis of a phase 4 study in Ghana, Kenya, and Malawi.

Effectiveness of the RTS,S/AS01E malaria vaccine in a real-world setting over 1 year of follow-up after the three-dose primary schedule: an interim analysis of a phase 4 study in Ghana, Kenya, and Malawi.

Journal: The Lancet. Global health

Published: February 07, 2025

Factors influencing attrition of health professionals in the Upper East Region of Northern Ghana.

Factors influencing attrition of health professionals in the Upper East Region of Northern Ghana.

Journal: BMC health services research

Published: January 04, 2025

Lessons learnt during establishment of COVID-19 active vaccine safety surveillance in nine African countries.

Lessons learnt during establishment of COVID-19 active vaccine safety surveillance in nine African countries.

Journal: Vaccine

Published: October 25, 2024

Safety of RTS,S/AS01E malaria vaccine up to 1 year after the third dose in Ghana, Kenya, and Malawi (EPI-MAL-003): a phase 4 cohort event monitoring study.

Safety of RTS,S/AS01E malaria vaccine up to 1 year after the third dose in Ghana, Kenya, and Malawi (EPI-MAL-003): a phase 4 cohort event monitoring study.

Journal: The Lancet. Global health

Published: August 27, 2024

Experiences and perceptions about vaccines and reporting of adverse events following immunisation: a qualitative study among mothers in Northern Ghana.

Experiences and perceptions about vaccines and reporting of adverse events following immunisation: a qualitative study among mothers in Northern Ghana.

Journal: BMJ public health

Published: July 17, 2024

Evaluation of seasonal malaria chemoprevention implementation in the Upper East region of Northern Ghana.

Evaluation of seasonal malaria chemoprevention implementation in the Upper East region of Northern Ghana.

Journal: Malaria journal

Published: July 03, 2024

Barriers and strategies to improve vaccine adverse events reporting: views from health workers and managers in Northern Ghana.

Barriers and strategies to improve vaccine adverse events reporting: views from health workers and managers in Northern Ghana.

Journal: BMJ public health

Published: May 15, 2024

Incidence rates of malaria, meningitis, and mortality in children younger than 5 years: a prospective cohort study in Ghana and Kenya before the roll-out of the RTS,S/AS01E malaria vaccine from 2016 to 2022.

Incidence rates of malaria, meningitis, and mortality in children younger than 5 years: a prospective cohort study in Ghana and Kenya before the roll-out of the RTS,S/AS01E malaria vaccine from 2016 to 2022.

Journal: The Lancet. Global health

Published: January 31, 2024

Documenting capacity and existing gaps in reporting adverse events following immunisation in Northern Ghana: a quantitative cross-sectional survey of healthcare workers.

Documenting capacity and existing gaps in reporting adverse events following immunisation in Northern Ghana: a quantitative cross-sectional survey of healthcare workers.

Journal: BMJ public health

Published: March 27, 2023

Evaluation of pilot implementation of seasonal malaria chemoprevention on morbidity in young children in Northern Sahelian Ghana.

Evaluation of pilot implementation of seasonal malaria chemoprevention on morbidity in young children in Northern Sahelian Ghana.

Journal: Malaria journal

Published: June 09, 2021

Community acceptability of Seasonal Malaria Chemoprevention of morbidity and mortality in young children: A qualitative study in the Upper West Region of Ghana.

Community acceptability of Seasonal Malaria Chemoprevention of morbidity and mortality in young children: A qualitative study in the Upper West Region of Ghana.

Journal: PloS one

Published: December 19, 2018

Showing 1-12 of 12

Last Updated: 09/26/2026