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- Calistus N Ngonghala, Gideon A Ngwa, Miranda I Teboh-Ewungkem
- Mathematical biosciences
- 2012

A deterministic ordinary differential equation model for the dynamics of malaria transmission that explicitly integrates the demography and life style of the malaria vector and its interaction with the human population is developed and analyzed. The model is different from standard malaria transmission models in that the vectors involved in disease… (More)

- Gideon A Ngwa
- Bulletin of mathematical biology
- 2006

A deterministic differential equation model for the population dynamics of the human malaria vector is derived and studied. Conditions for the existence and stability of a non-zero steady state vector population density are derived. These reveal that a threshold parameter, the vectorial basic reproduction number, exist and the vector can established itself… (More)

- Calistus N Ngonghala, Miranda I Teboh-Ewungkem, Gideon A Ngwa
- Journal of mathematical biology
- 2015

We derive and study a deterministic compartmental model for malaria transmission with varying human and mosquito populations. Our model considers disease-related deaths, asymptomatic immune humans who are also infectious, as well as mosquito demography, reproduction and feeding habits. Analysis of the model reveals the existence of a backward bifurcation… (More)

- Gideon A. Ngwa, Ashrafi M. Niger, Abba B. Gumel
- Applied Mathematics and Computation
- 2010

- Gideon A Ngwa, Terence T Wankah, Mary Y Fomboh-Nforba, Calsitus N Ngonghala, Miranda I Teboh-Ewungkem
- Bulletin of mathematical biology
- 2014

A reproductive stage-structured deterministic differential equation model for the population dynamics of the human malaria vector is derived and analysed. The model captures the gonotrophic and behavioural life characteristics of the female Anopheles sp. mosquito and takes into consideration the fact that for the purposes of reproduction, the female… (More)

- Gideon A. Ngwa, Miranda I. Teboh-Ewungkem
- Comp. Math. Methods in Medicine
- 2016

A deterministic ordinary differential equation model for the dynamics and spread of Ebola Virus Disease is derived and studied. The model contains quarantine and nonquarantine states and can be used to evaluate transmission both in treatment centres and in the community. Possible sources of exposure to infection, including cadavers of Ebola Virus victims,… (More)

- Calistus N. Ngonghala, Miranda I. Teboh-Ewungkem, Gideon A. Ngwa
- Theoretical Ecology
- 2016

We illustrate that an autonomous ordinary differential equation model for malaria transmission can exhibit period-doubling bifurcations leading to chaos when ecological aspects of malaria transmission are incorporated into the model. In particular, when demography, feeding, and reproductive patterns of the mosquitoes that transmit the malaria-causing… (More)

A deterministic differential equation model for the population dynamics of the human malaria vector is derived and studied. Conditions for the existence and stability of a non-zero steady state vector population density are derived. These reveal that a threshold parameter, the vectorial basic reproduction number, exist and the vector can establish itself in… (More)

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