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31 results on '"Otoo, Dominic"'

6. Confirmed Malaria Cases in Children under Five Years: The Influence of Suspected Cases, Tested Cases, and Climatic Conditions

Author

Tawiah, Kassim, Asampana Asosega, Killian, Ansah, Richard Kwame, Appiah, Sampson Takyi, Otoo, Dominic, Aponye, Isaac Aganeba, Tinbil, Thomas, and Addai, Isaac Mensah

Abstract

Tropical and potentially fatal malaria is brought on by the parasite Plasmodium spp which spreads through infected female anopheles mosquitoes within the human populations. In Ghana, malaria is endemic and perennial, with distinct seasonal fluctuations in the northern part. Children aged below five years are among the population most vulnerable to malaria in Ghana. This study’s goal is to establish how suspected malaria cases, tested malaria cases, and climatic conditions impact confirmed malaria cases in children under five years in the Sunyani Municipality, Bono Region, Ghana. The dependent variable, monthly number of confirmed cases of malaria in children under five years, was modelled with the independent variables, monthly number of tested cases of malaria in children under five years, mean monthly relative humidity, mean monthly rainfall, and mean monthly temperature, in the Sunyani Municipality. We employed multiple linear regression after data transformation, exploratory data analysis, and correlation analysis. Results show that tested malaria cases and climatic factors significantly influence confirmed malaria cases in children under 5 years. About 41.8% of variations in confirmed malaria cases among children under 5 years is attributed to climatic factors and the number of tested cases. Moreover, results show that increase in tested cases and rainfall leads to more confirmed malaria cases among children under 5 years, while increase in temperature reduces malaria infections. To reduce the incidence of malaria in children under five years, the government and its stakeholders should encourage parent to let their children sleep in treated mosquito nets, distil stagnant waters during raining seasons, spray bushes with antimosquito insecticides, and destroy all breeding grounds of mosquitoes at all times. We proposed that all malaria cases should be laboratory tested and properly confirmed.

Published
2023
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30. Impact Optimization Of Battery Energy Storage System In Microgrid Operation.

Author

Donkoh, Elvis K., Adjei, Bernard Atta, Otoo, Dominic, De-Graft Johnson Owusu-Ansah, Emmanuel, and Mahama, Francois

Subjects
*MOTION control devices, *ELECTRIC utilities, *STORAGE battery charging, *ELECTRIC power distribution grids, *OPERATING costs, *LINEAR programming
Abstract

In microgrid operation, one of the most vital tasks of the system control is to wisely decide between selling excess power to the local grid or charge the Battery Energy Storage System (BESS). Our study uses Mixed-Integer Linear Programming (MILP) to investigate the impact of storage system on the operational cost of a microgrid. The results suggested that, the presence of BESS would relieve the pressure on the utility grid but not the cost of electricity due to the expensive nature of the storage plant. In view of this, it will be more beneficial to sell excess renewable generated power to the utility grid than to invest in a storage system for larger microgrids. [ABSTRACT FROM AUTHOR]

Published
2020
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31. Deterministic epidemic model for ( S V C S y C A s y I R ) pneumonia dynamics, with vaccination and temporal immunity.

Author

Otoo D, Opoku P, Charles S, and Kingsley AP

Abstract

Streptococcus pneumonia is one of the leading causes of mobility and mortality in children under 6 years and the elderly especially in developing countries in which Ghana, the study area is not an exception.In this paper, a model of the spread and control of bacterial pneumonia that include symptomatic carriers, asymptomatic carriers and vaccination is formulated and analyzed to determine the effect of the vaccination intervention.Analysis of the system show that the disease free equilibrium is stable if and only if the basic reproductive number R 0 < 1 . For R 0 ≥ 1 , the endemic equilibrium is globally stable and the disease persist. Numerical simulation on the system show that with effective vaccine intervention pneumonia infection can be eradicated in the long term., (© 2019 The Authors.)

Published
2019
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