Conectar
by Birhan Berihun Abebe, Abebe Girma Demissie, Habtie Bassie Felatie, Aderajew Adgo Tesema, Baye Wodajo, Wondye Ayaliew Shiferaw, Sualih Gobeze Hailu
Tomato (Solanum lycopersicum) is a widely used vegetable in Ethiopia, but its production is severely affected by late blight, early blight and bacterial wilt. This study aims to isolate Pseudomonas fluorescens as a bio-control agent against Alternaria solani. Biological control using Pseudomonas fluorescens offers a potential alternative to chemical fungicides. Rhizosphere soil and healthy tomato roots were sampled from three Kebeles in North Wollo, Ethiopia. P. fluorescens was isolated on Pseudomonas Isolation Agar, while A. solani isolated from infected leaves on Potato Dextrose Agar and confirmed pathogenic on tomato seedlings. Three isolates of P. fluorescens (Pfs12, Pfk13, Pfsa31) were screened in vitro using the dual culture method, and their efficacy was further tested in vivo under greenhouse conditions. Isolates Pfs12 and Pfk13 showed moderate effectiveness against the radial growth of A. solani, achieving percent growth inhibitions of 56.04% and 55.04%, respectively. The standard chemical treatment (mancozeb) resulted in a 54.84% growth inhibition. The control group (Pseudomonas fluorescens) also demonstrated a moderate growth inhibition of 57.65% against A. solani. Data were gathered regarding disease parameters. The day after transplanting, the percent disease index was significantly lower in all treated groups compared to the control (water). The isolate Pfsa31 achieved the lowest disease index of 24.733%, which was comparable to the standard chemical treatment at 28.467%. Both treatments were significantly different from the control (water) at 60.333%. The findings showed the bio-control potential of selected P. fluorescens isolates as effective and environmentally sustainable alternatives to synthetic fungicides for the management of early blight disease in tomato cultivation, emphasizing the importance of utilizing indigenous strains for optimal performance.Immunisation is one of the most valuable, impactful and cost-effective public health interventions which delivers positive health, social and economic benefits. Globally, 4 million deaths worldwide are prevented by childhood vaccination every year. In Ethiopia, despite huge progress being made, the routine immunisation coverage has never reached the targeted figures and planned goals. Pastoralist communities are often disproportionately under-vaccinated, and there is often a confluence of interrelated factors that drive this outcome. This study enables us to identify factors affecting immunisation service utilisation in the pastoralist communities of Ethiopia, which helps to design effective and context-specific interventions.
This study aims to explore the behavioural and social drivers (BeSDs) of routine immunisation among the communities with high numbers of zero-dose and under-immunised children in Afar, Somali and Gambella regions of Ethiopia.
A qualitative exploratory study was conducted in three selected regions of Ethiopia (Gambella, Somali and Afar) from 9 November 2023 to 30 December 2023. Purposive sampling was used. A total of 33 interviews were conducted in the three regions. Sample size was determined based on idea saturation. Data was collected using interview guides. The interview guide was developed after reviewing relevant literature, desk review and using the journey to health and immunisation framework. A separate interview guide was developed for the journey mapping exercise, in-depth interview, healthcare workers discussion guide, focus group discussion and observation. Data was analysed thematically.
Behavioural (lack of awareness, lack of reminder/forgetting, misperception about vaccines, negative previous experience, lost card and fear of post-vaccination adverse events).
Structural (language barrier, long distance from home to facility, high cost of transportation, long waiting time, limited training of healthcare professionals and incentives, inconvenient service hours, shortage of health professionals, disrespect by the healthcare provider), Socio-cultural (competing priorities, low community engagement, lack of decision-making autonomy, limited husband involvement, workload, rural residence and larger family size were the commonly mentioned barriers to routine immunisation uptake. On the other hand, structural (house to house visit by health extension workers, counselling about adverse events, presence of outreach service, affordability (free of charge)), behavioural and socio-cultural (knowledge of adverse event management, and respect from community) were enablers to routine immunisation service uptake in pastoralist communities.
The study found several individual and contextual factors affecting routine immunisation uptake in pastoralist communities. Context-specific and tailored interventions which address zero dose drivers should be designed so as to enhance vaccine uptake. The findings suggested the need to design context-specific interventions to address the aforementioned barriers to immunisation.
To estimate the pooled attrition rate among HIV-infected children receiving antiretroviral therapy (ART) and identify predictors of attrition in Ethiopia.
Systematic review and meta-analysis.
PubMed, HINARI, Web of Science, African Journals Online and Google Scholar were searched up to 20 February 2025.
Cohort studies conducted in Ethiopia that reported attrition from ART and its predictors among children, published as full-length articles in English, were included.
Three independent reviewers extracted data and assessed study quality using the Joanna Briggs Institute checklist for cohort studies. Heterogeneity was assessed using the I² statistic. Publication bias was evaluated with funnel plots and Egger’s test. A random-effects model was applied to estimate the pooled attrition rate.
Among 1093 studies identified, 14 met the inclusion criteria and were included in the analysis. The pooled attrition rate among HIV-infected children receiving ART was 6.04 per 100 person-years of observation (95% CI 4.90 to 7.44). Anaemia (HR=3.39; 95% CI 2.40 to 4.78), suboptimal ART adherence (HR=2.33; 95% CI 1.39 to 3.89) and underweight status (HR=3.43; 95% CI 2.04 to 5.78) were significantly associated with higher attrition.
The pooled attrition rate among HIV-infected children receiving ART in Ethiopia is relatively low. Nevertheless, enhanced counselling on ART adherence is crucial to further reduce attrition, and special attention should be given to children with anaemia or underweight status.
CRD420251015059.
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