Outbreak or extinction of bovine cysticercosis and human taeniasis: A Stochastic modelling approach

Mwasunda, Joshua A.; Irunde, Jacob I.; Kajunguri, Damian; Kuznetsov, Dmitry

doi:10.1016/j.apm.2022.01.033

Cited by 11 publications

(1 citation statement)

References 24 publications

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“…Cysticercosis has a widespread impact on several essential organs (e.g., brain, eye, heart); however, it has a low death rate, and death is usually caused by complications such as encephalitis, increased intracranial pressure due to edema and/or hydrocephalus, or stroke. The infection affects people of all ages, sexes, and races equally [ 27 ].…”

Section: Discussionmentioning

confidence: 99%

Knowledge, Attitudes and Practices Regarding Taeniasis in Pakistan

et al. 2023

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Taeniasis is a neglected zoonotic disease responsible for serious health disorders, such as seizures, and may even cause death. Humans are the definitive host for the three species Taenia solium (pork tapeworm), T. saginata (beef tapeworm), and T. asiatica, harboring the adult tapeworm in the small intestine. In this study, a structured questionnaire was circulated to assess the knowledge, attitudes, and practices (KAPs) regarding taeniasis among the rural and urban communities of Rawalpindi and Islamabad, Pakistan. A total of 770 individuals participated in the study. Of the total respondents, 44.4% had little knowledge about the disease and its impact, while the majority (70%) of respondents showed a willingness to participate in elimination campaigns by providing fecal samples. Most respondents kept raw meat separated from clean utensils (81.6%) and checked the internal temperature of meat when cooking it (75.1%). Regression analysis showed a significant association between age and knowledge, especially in the 20–30 years (p < 0.05; OR 0.574) and 30 to 40 years (p < 0.05; OR 0.553) age groups, and being a resident in Rawalpindi (p < 0.05; OR 0.68) and other cities (p < 0.05; OR 2.43), except Islamabad. Income ranges of 31,000–50,000 PKR (p < 0.05; OR: 0.574), 51,000–70,000 PKR (p < 0.05; OR 0.531), and above 70,000 PKR (p < 0.05; OR 0.42) were significantly related to attitude, compared with individuals with incomes of 10,000–30,000 PKR. Income above 70,000 PKR (p < 0.05; OR 0.87) and living in an urban area (p < 0.05; OR 0.616) compared to a rural area were significant with practices. A positive attitude was observed regarding awareness and prevention of the disease. Awareness campaigns and providing health education could be key approaches to manage this disease in the general population of developing countries.

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Section: Discussionmentioning

confidence: 99%

Knowledge, Attitudes and Practices Regarding Taeniasis in Pakistan

et al. 2023

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Diffusion approximation of critical controlled multi-type branching processes

Barczy,

González,

Martín-Chávez

et al. 2024

Rev. Real Acad. Cienc. Exactas Fis. Nat. Ser. A-Mat.

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Branching processes form an important family of stochastic processes that have been successfully applied in many fields. In this paper, we focus our attention on controlled multi-type branching processes (CMBPs). A Feller-type diffusion approximation is derived for some critical CMBPs. Namely, we consider a sequence of appropriately scaled random step functions formed from a critical CMBP with control distributions having expectations that satisfy a kind of linearity assumption. It is proved that such a sequence converges weakly toward a squared Bessel process supported by a ray determined by an eigenvector of a matrix related to the offspring mean matrix and the control distributions of the branching process in question. As applications, among others, we derive Feller-type diffusion approximations of critical, primitive multi-type branching processes with immigration and some two-sex branching processes. We also describe the asymptotic behaviour of the relative frequencies of distinct types of individuals for critical CMBPs.

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