Purpose. The usage of LLITNs in malaria vector control has resulted in the reduction in malaria deaths among higher-risk groups (pregnant women and under-fives). However, there exists asymptomatic infection among older children, thereby making them a reservoir of malaria transmission. This study aimed at assessing the impact of LLITN usage on malaria prevalence among school-age children (SAC) in Ekiti, South Western Nigeria. Methods. Cross-sectional, two-stage cluster sampling technique was used to collect data from SAC during May and June 2017. A total of 1313 (Oye LGA: 657 and Ikole LGA: 656) SAC in selected public primary schools participated in the study. Sociodemographic information as well as data on LLITN usage the previous night was obtained using pretested, semistructured questionnaires adapted from the standardized Malaria Indicator Survey (MIS) tools. Malaria infection was diagnosed by using the rapid diagnostic test (RDT) on blood samples that were collected by finger prick from each child. Data were analyzed using the Statistical Package for Social Sciences (SPSS) for Windows software version 26 (SPSS Inc., Chicago, IL, USA). Results. Usage of LLITNs among SAC was significantly higher in Ikole LGA than in Oye p < 0.001 . Socioeconomic factors (access to electricity, mother’s occupation, and household size) showed significant associations with LLITN usage p < 0.001 in both Oye and Ikole LGAs. Malaria prevalence was significantly low among SAC utilizing LLITNs in both Oye and Ikole LGAs p < 0.001 . There was a significant association between gender and malaria prevalence among SAC with males having higher prevalence than females p < 0.001 . Socioeconomic factors were significantly associated with malaria prevalence in both LGAs p < 0.001 . Conclusion. The usage of LLITNs caused a significant reduction in malaria prevalence among the school-age children in the study areas; hence, sensitization on usage should be scaled up towards malaria elimination.
Vector control with long-lasting insecticide treated nets (LLINs) has been identified as a major component of malaria prevention and control. The study examined present status of awareness, ownership, and utilization of LLINs in malaria high-risk areas of Ekiti State, Nigeria. Data were obtained from 352 copies of semistructured interviewer-guided questionnaire distributed to participants of each household in the four Local Government Areas (LGAs) of Ekiti State, where malaria is endemic after mass distribution of LLINs. Findings in this study showed that awareness was high (91.8%) in the Local Government Areas (LGAs) with mass media contributing largely (44.3%) to awareness. Also, LLINs ownership was found to be high (71.3%) with 72.9% of the nets being supplied by the government. Of the owners of LLINs, usage rate was observed to be 67.6%. Multivariate analysis result showed that statistically significant sociodemographic characteristics of respondents predicting the usage of LLINs included age greater than 50 years (p value = 0.008), female gender (χ2 = 8.2014, p value = 0.004), being married (χ2 = 24.721, p value <0.001), civil servants (χ2 = 12.739, p value = 0.005), and average income above poverty line (χ2 = 13.576, p value = 0.004). The study concluded that although not all households surveyed owned LLINs, nevertheless, the level of usage of LLINs among net-owning households was high. The study recommended continuous free distribution, periodic household survey, and expanding public knowledge on the benefits of LLINs usage especially through social media.
Objectives: The study determined the prevalence of malaria infection and its association with socio-demographics, environmental, housing, and co-morbid ailment factors. Methods: The study was a cross-sectional of 330 consented adult febrile patients who were recruited at a tertiary health facility in rural Southwestern Nigeria. The standardized interviewer-administered questionnaire sought information on their socio-demographics, environmental, housing, and co-morbid ailment factors. Venous blood samples were collected and processed for malaria parasite detection, retroviral screening, glycated hemoglobin, and hemoglobinopathy. Data were analyzed using SPSS version 20. The strength of the association between independent and dependent variables was measured using odds ratio and 95% confidence interval with a significant level ( p value <0.05). Results: The prevalence of malaria parasitemia was 63.3% (95% confidence interval: 57.9%–68.5%). Being a farmer ( p = 0.002), lack of formal education ( p = 0.043), low-income earners ( p = 0.031), presence of bushes ( p = 0.048), stagnant water ( p = 0.042), not sleeping under long-lasting insecticide-treated nets ( p < 0.001), and sickle cell disease ( p = 0.041) were significantly associated with malaria infection. Conclusion: The study revealed that there is a high prevalence of malaria infection in rural Southwestern Nigeria. There may be a need to pay greater attention to adult populations in rural areas for malaria intervention and control programs.
Background: Toxoplasma gondii is an apicomplexan parasite with zoonotic importance worldwide especially in pregnant women and immunocompromised people. This study is set to review the literature on T. gondii infections in humans and animals in southern Africa. Methods: We extracted data regarding T. gondii infections from published articles from southern Africa from 1955 to 2020 from four databases, namely Google Scholar, PubMed, EBSCO Host, and Science Direct. Forty articles from eight southern African countries were found eligible for the study. Results: This review revealed a paucity of information on T. gondii infection in southern African countries, with an overall prevalence of 17% (95% CI: 7–29%). Domestic felids had a prevalence of 29% (95% CI: 7–54%), wild felids 79% (95% CI: 60–94), canids (domestic and wild) 69% (95% CI: 38–96%), cattle 20% (95% CI: 5–39%), pigs 13% (95% CI: 1–29%), small ruminants (goats and sheep) 11% (95% CI: 0–31%), chicken and birds 22% (95% CI: 0–84%), and humans 14% (95% CI: 5–25%). Enzyme-linked immunosorbent assay (ELISA) and immunofluorescence antibody test (IFAT) constituted the most frequently used diagnostic tests for T. gondii. Conclusions: We recommend more focused studies be conducted on the epidemiology of T. gondii in the environment and human population, most especially the at-risk populations.
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