Evanson Zondani Sambala
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View article: Adherence to solar disinfection water treatment reduces diarrheal incidence among children in Malawi: a secondary analysis of a cluster quasi-experimental study
Adherence to solar disinfection water treatment reduces diarrheal incidence among children in Malawi: a secondary analysis of a cluster quasi-experimental study Open
Background: Diarrhoea is a leading cause of morbidity and mortality among children under five in low-income regions. This study assessed the effectiveness of household solar disinfection (SODIS) in reducing diarrhoeal incidence among child…
View article: Strategies for scaling up pre-ART advanced HIV disease screening at a secondary referral hospital—Malawi: a qualitative study
Strategies for scaling up pre-ART advanced HIV disease screening at a secondary referral hospital—Malawi: a qualitative study Open
View article: Strategies for scaling up pre-ART advanced HIV disease screening at a secondary referral hospital - Malawi: a qualitative study
Strategies for scaling up pre-ART advanced HIV disease screening at a secondary referral hospital - Malawi: a qualitative study Open
Background Implementation of the World Health Organization (WHO) recommended Advanced HIV Disease screening package, remains poor in most settings with limited resources compared with centers of excellence in Malawi. More than 50% of newly…
View article: Using social media to build confidence in vaccines: lessons from community engagement and social science research in Africa
Using social media to build confidence in vaccines: lessons from community engagement and social science research in Africa Open
Sara Cooper and colleagues argue that a better understanding of the complex sociopolitical drivers of distrust in vaccination will increase the potential of social media to rebuild vaccine confidence
View article: Barriers and facilitators to implementing advanced HIV disease screening at a secondary referral hospital -Malawi: a convergent parallel study
Barriers and facilitators to implementing advanced HIV disease screening at a secondary referral hospital -Malawi: a convergent parallel study Open
View article: Barriers and facilitators to implementing Advanced HIV Disease screening at secondary referral hospital -Malawi: Asequential exploratory mixed method-study
Barriers and facilitators to implementing Advanced HIV Disease screening at secondary referral hospital -Malawi: Asequential exploratory mixed method-study Open
Background Malawi continues to register increased HIV/AIDs mortality despite increased expansion of ART services. One of the strategies for reducing AIDS related deaths outlined in the Malawi National HIV Strategic Plan (NSP) is scaling up…
View article: Factors that influence parental and caregiver acceptance of routine childhood vaccination: Summary of a qualitative evidence synthesis.
Factors that influence parental and caregiver acceptance of routine childhood vaccination: Summary of a qualitative evidence synthesis. Open
We summarise a Cochrane review of qualitative evidence that explored parents' views and practices around routine childhood vaccination, and provide implications for research and practice that are relevant to the South African (SA) context.…
View article: Factors that influence parents' and informal caregivers' views and practices regarding routine childhood vaccination: a qualitative evidence synthesis
Factors that influence parents' and informal caregivers' views and practices regarding routine childhood vaccination: a qualitative evidence synthesis Open
Our review has revealed that parents' views and practices regarding childhood vaccination are complex and dynamic social processes that reflect multiple webs of influence, meaning, and logic. We have provided a theorised understanding of t…
View article: The incidence and mortality of yellow fever in Africa: a systematic review and meta-analysis
The incidence and mortality of yellow fever in Africa: a systematic review and meta-analysis Open
View article: The Incidence and Mortality of Yellow Fever in Africa – A Systematic Review and Meta-analysis
The Incidence and Mortality of Yellow Fever in Africa – A Systematic Review and Meta-analysis Open
Background Understanding the occurrence of yellow fever epidemics is critical for targeted interventions and control efforts to reduce the burden of disease. We assessed data on the yellow fever incidence and mortality rates in Africa. Met…
View article: Role of vaccines in preventing influenza in healthy children
Role of vaccines in preventing influenza in healthy children Open
The role of an influenza vaccine is to minimise illness and death. Vaccines provide good protection against influenza strains and significantly reduce time off work. However, the recommendation for use depends on the efficacy, effectivenes…
View article: The burden of meningococcal meningitis in the African Meningitis Belt, from 2009 to 2014: a trend analysis
The burden of meningococcal meningitis in the African Meningitis Belt, from 2009 to 2014: a trend analysis Open
after the introduction of the MenAfriVac, there has been a decline in the meningitis cases in Benin, Burkina Faso, Chad, Ghana, Niger and Nigeria while Sudan shows a decrease only in 2014.
View article: Pandemic Influenza Preparedness in Africa
Pandemic Influenza Preparedness in Africa Open
Background: Prior to the 2009 pandemic H1N1, and the unprecedented outbreak of Highly Pathogenic Avian Influenza (HPAI) caused by the H5N1 virus, the World Health Organization (WHO) called upon its Member States to develop preparedn…
View article: A Review of the Public Health Act in Malawi: A Case for Reform and Consolidation
A Review of the Public Health Act in Malawi: A Case for Reform and Consolidation Open
View article: Communication regarding routine childhood vaccination
Communication regarding routine childhood vaccination Open
Vaccine hesitancy is an emerging problem in South Africa (SA), which threatens to erode the country's immunisation achievements. Communication interventions may be an effective strategy for addressing vaccine hesitancy. We highlight a Coch…
View article: New vaccine introductions in Africa before and during the decade of vaccines – Are we making progress?
New vaccine introductions in Africa before and during the decade of vaccines – Are we making progress? Open
Vaccines are excellent investments with far-reaching rewards beyond individual and population health, but their introduction into national programs has been historically slow in Africa. We provide an overview of the introduction of new and…
View article: Rural-urban disparities in missed opportunities for vaccination in sub-Saharan Africa: a multi-country decomposition analyses
Rural-urban disparities in missed opportunities for vaccination in sub-Saharan Africa: a multi-country decomposition analyses Open
Variation exists in the level of missed opportunities for vaccination between rural and urban areas, with widespread pro-rural inequalities across Africa. Although several factors account for these rural-urban disparities in various countr…
View article: Evaluation of influenza surveillance systems in sub-Saharan Africa: a systematic review protocol
Evaluation of influenza surveillance systems in sub-Saharan Africa: a systematic review protocol Open
Introduction Influenza infrastructure systems are crucial for maintaining surveillance operations, and for mitigating and responding to the disease. The role of surveillance is to isolate and identify as rapidly as possible any new influen…
View article: Pandemic influenza preparedness in the WHO African region: are we ready yet?
Pandemic influenza preparedness in the WHO African region: are we ready yet? Open
View article: Burden of seasonal influenza in sub-Saharan Africa: a systematic review protocol
Burden of seasonal influenza in sub-Saharan Africa: a systematic review protocol Open
Introduction Measures of epidemiological burdens are an important contribution to estimating disease severity and determining the at-risk populations for seasonal influenza. In the absence of these data, it is extremely difficult for polic…
View article: Does it really matter where you live? A multilevel analysis of factors associated with missed opportunities for vaccination in sub-Saharan Africa
Does it really matter where you live? A multilevel analysis of factors associated with missed opportunities for vaccination in sub-Saharan Africa Open
There is an urgent need to examine the magnitude and factors responsible for missed opportunities for vaccination, to rapidly achieve national immunization targets. The objective of the study was to examine the influence of individual, nei…
View article: Existence and functionality of national immunisation technical advisory groups in Africa from 2010 to 2016
Existence and functionality of national immunisation technical advisory groups in Africa from 2010 to 2016 Open
We describe the existence and functionality of National Immunisation Technical Advisory Groups (NITAGs) in Africa between 2010 and 2016, using data from the WHO-UNICEF Joint Reporting Form. The number of African countries with NITAGs incre…
View article: Decomposing the gap in missed opportunities for vaccination between poor and non-poor in sub-Saharan Africa: A Multicountry Analyses
Decomposing the gap in missed opportunities for vaccination between poor and non-poor in sub-Saharan Africa: A Multicountry Analyses Open
Understanding the gaps in missed opportunities for vaccination (MOV) in sub-Saharan Africa would inform interventions for improving immunisation coverage to achieving universal childhood immunisation. We aimed to conduct a multicountry ana…
View article: Mind the Gap: What explains the education-related inequality in missed opportunities for vaccination in sub-Saharan Africa? Compositional and structural characteristics
Mind the Gap: What explains the education-related inequality in missed opportunities for vaccination in sub-Saharan Africa? Compositional and structural characteristics Open
Missed opportunities for vaccination (MOV) is an important barrier hindering full immunisation coverage among eligible children. Though factors responsible for MOV are well documented in literature, little attention has been paid to the ro…
View article: Vaccine hesitancy – a potential threat to the achievements of vaccination programmes in Africa
Vaccine hesitancy – a potential threat to the achievements of vaccination programmes in Africa Open
Vaccination programmes in Africa have made extraordinary progress over the last four decades. Yet, vaccine hesitancy threatens to erode these gains. Vaccine hesitancy is a continuum between vaccine acceptance and refusal. A growing number …
View article: Policy perspectives on post pandemic influenza vaccination in Ghana and Malawi
Policy perspectives on post pandemic influenza vaccination in Ghana and Malawi Open
View article: Anticipation and response: pandemic influenza in Malawi, 2009
Anticipation and response: pandemic influenza in Malawi, 2009 Open
Participants stressed that in order to achieve a coordinated and successful response to mitigate and prevent the further transmission of pandemic influenza, good preparation was critical. The key elements which they identified as relevant …
View article: Vaccine Effectiveness and Coverage Against the 2009 Pandemic Influenza in Ghana and Malawi
Vaccine Effectiveness and Coverage Against the 2009 Pandemic Influenza in Ghana and Malawi Open
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