Background: National surveys indicate that among countries in Africa where malaria is endemic, Nigeria alone accounts for 21% of pregnancies that are unprotected from malaria. This study aimed to ascertain the extent of utilization and effectiveness of malaria prevention methods, found out the existing relationship between maternal parasitaemia and the effectiveness of these methods at (p<0.05) level of signicance.Methods: The study was a cross sectional survey involving 264 consenting pregnant women who were recruited at booking clinic at Federal Teaching Hospital, Ido -Ekiti, Ekiti State, Nigeria. Interviewer administered questionnaire was used to elicit information on their socio-demographic characteristics, mode and extent of utilization of malaria prevention methods and their effectiveness. Venous blood samples were collected and analyzed for malaria parasitaemia using the microscopy. Data was analyzed using SPSS version 20.0 Results:The malaria prevention methods most commonly reported as being effective were the Insecticide Treated Nets (ITNs), Indoor Residual Spray (IRS) or both, which were utilized by 97(36.5%), 79 (30.0%) and 88 (33.4%) participants respectively. Eight (8.3%), 9 (10.8%), and 7 (7.9%) of the participants that used ITNs, IRS or both combination respectively tested positive for malaria parasitaemia. There was a statistically signicant association between maternal parasitaemia and malaria prevention methods using ITNs (p=0.001), IRS (p = 0.001) or both (p = 0.001).Conclusion: The most commonly adopted malaria prevention methods were ITNs, Indoor Residual Spray or both. Despite their protective effectiveness, their utilizations are still poor. Information and communication strategies by the stakeholders are suggested to improve the utilization of these methods as adopted by other countries.
Background Hookworm is a major contributor to worldwide disease burden with over 230 million people infected. It has been identified as one of the Neglected Tropical Diseases that can be controlled and even eliminated through mass drug administration and other effective interventions. Mathematical models have shown that hookworm can only be eliminated via a vaccine. Controlled Hookworm Human Infection (CHHI) models can facilitate rapid development of vaccines and drugs. Methods As a first step towards the establishment of CHHI in Africa, we held a stakeholders meeting in Lamberene, Gabon from 10 to 11 November 2019. Results Discussions revolved around the roles of the different regulatory institutions concerned; the need to strengthen existing regulatory capacity and the role of legislation; creating Gabon-specific ethical guidelines to govern Controlled Human Infection (CHI) studies; development of a study protocol; consideration of cultural and social peculiarities; the need for regular joint review meetings between interested parties throughout the process of protocol implementation; and participant compensation. Moreover, operational considerations concerning the introduction of CHHI in Gabon include the use of the local strain of hookworm for the challenge infections, capacity building for the local production of challenge material, and the establishment of adequate quality assurance procedures. Conclusion The workshop addressed several of the anticipated hurdles to the successful implementation of CHHI in Gabon. It is our aim that this report will stimulate interest in the implementation of this model in the sub-Saharan African setting.
Background The present study aimed to evaluate the diagnostic utility of creatine kinase-MB (CK-MB), hepcidin (HEPC), phospholipase A2 group IIA (PLa2G2A), and myosin-binding protein C (MYBPC1) for tuberculosis (TB). These four biomarkers are differentially regulated between quiescent Mycobacterium tuberculosis (Mtb) infected individuals (non-progressors to TB disease) and Mtb-infected TB disease progressors 6 months before the onset of symptoms. Methods We enrolled samples from patients experiencing moderate-to-severe pulmonary infections diseases including 23 TB cases confirmed by smear microscopy and culture, and 34 TB-negative cases. For each participant, the serum levels of the four biomarkers were measured using ELISA. Results The levels of CK-MB and HEPC were significantly reduced in patients with active TB disease. CK-MB median level was 2045 pg/ml (1455–4000 pg/ml) in active TB cases and 3245 pg/ml (1645–4000 pg/ml) in non-TB pulmonary diseases. Using the receiver operating characteristic curve (ROC) analysis, HEPC and CK-MB had the Area Under the Curve (AUC) of 79% (95% CI 67–91%) and 81% (95% CI 69–93%), respectively. Both markers correlated with TB diagnosis as a single marker. PLa2G2A and MYBPC1 with AUCs of 48% (95% CI 36–65%) and 62% (95% CI 48–76%) did not performed well as single biomarkers. The three markers’model (CK-MB-HEPC-PLa2G2A) had the highest diagnostic accuracy at 82% (95% CI 56–82%) after cross-validation. Conclusion CK-MB and HEPC levels were statistically different between confirmed TB cases and non-TB cases. This study yields promising results for the rapid diagnosis of TB disease using a single marker or three biomarkers model.
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