ArticleBMC public health2025
Knowledge gaps and socio-demographic disparities in dengue awareness among high-risk communities in Tanzania: a cross-sectional study.
Article in BMC public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Unveiling Knowledge, Attitudes, and Preventive Practices Toward Dengue Among Residents of Rangpur City, Bangladesh: A Cross-Sectional Study.Health science reports · 2026Article
- Risk Modelling and Seroprevalence of Dengue Virus Non-structural protein-1 Antigenemia and Antibodies among Febrile Patients in Ilorin, Nigeria.Rwanda journal of medicine and health sciences · 2025Article
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Abstract
backgroundCommunity knowledge plays a crucial role in preventing dengue outbreaks. This study assessed dengue fever awareness and knowledge gaps among Tanzanians to inform prevention efforts.
methodsA cross-sectional community-based study was conducted from April to June 2022 across Kyela, Bahi and Ngorongoro districts. Data on socio-demographics, dengue knowledge, transmission, symptoms and prevention were collected using questionnaires from 482 participants aged ≥ 18 years. Descriptive statistics, χ2 and logistic regression analysis examined knowledge levels in relation to socio-demographic factors.
resultsA majority of participants (76.6%) reported prior knowledge of dengue fever. Awareness of mosquito bites as a transmission mode was relatively high (68.8%), but specific knowledge of Aedes mosquitoes as vectors was significantly lower at only 23.4% (χ2 = 132.50, P < 0.05). Findings indicated a fair knowledge of vector biting frequency (52.5%) and breeding sites (57.9%). However, most demonstrated good knowledge of symptoms (52.3%) and prevention (66.4%). Knowledge levels differed across demographic groups. For instance, women were less likely than men to report knowledge of vector bite frequency (AOR 0.41, 95% CI 0.22-0.76).
conclusionsThere are critical dengue knowledge gaps among communities at high epidemic risk regarding vectors, transmission dynamics and breeding ecology. Targeted educational interventions considering disparities across socio-demographics are urgently required to raise awareness, improve participation in integrated control programs and empower at-risk populations to mitigate outbreaks.
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