Author
Listed:
- Juan Pablo Gutiérrez-Jara
(Centro de Investigación de Estudios Avanzados del Maule (CIEAM), Vicerrectoría de Investigación y Postgrado, Universidad Católica del Maule, Talca 3480112, Chile
These authors contributed equally to this work.)
- Katia Vogt-Geisse
(Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Santiago 7941169, Chile
These authors contributed equally to this work.)
- Maritza Cabrera
(Centro de Investigación de Estudios Avanzados del Maule (CIEAM), Vicerrectoría de Investigación y Postgrado, Universidad Católica del Maule, Talca 3480112, Chile)
Abstract
Malaria remains a major health problem in many parts of the world, including Sub-Saharan Africa. Insecticide-treated nets, in combination with other control measures, have been effective in reducing malaria incidence over the past two decades. Nevertheless, there are concerns about improper handling and misuse of nets, producing possible health effects from intoxication and collateral environmental damage. The latter is caused, for instance, from artisanal fishing. We formulate a model of impulsive differential equations to describe the interplay between malaria dynamics, human intoxication, and ecosystem damage; affected by human awareness to these risks and levels of net usage. Our results show that an increase in mosquito net coverage reduces malaria prevalence and increases human intoxications. In addition, a high net coverage significantly reduces the risk perception to disease, naturally increases the awareness for intoxications from net handling, and scarcely increases the risk perception to collateral damage from net fishing. According to our model, campaigns aiming at reducing disease prevalence or intoxications are much more successful than those creating awareness to ecosystem damage. Furthermore, we can observe from our results that introducing closed fishing periods reduces environmental damage more significantly than strategies directed towards increasing the risk perception for net fishing.
Suggested Citation
Juan Pablo Gutiérrez-Jara & Katia Vogt-Geisse & Maritza Cabrera, 2022.
"Collateral Effects of Insecticide-Treated Nets on Human and Environmental Safety in an Epidemiological Model for Malaria with Human Risk Perception,"
IJERPH, MDPI, vol. 19(23), pages 1-17, December.
Handle:
RePEc:gam:jijerp:v:19:y:2022:i:23:p:16327-:d:994757
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References listed on IDEAS
- Juan Pablo Gutiérrez-Jara & Chiara Saracini, 2022.
"Risk Perception Influence on Vaccination Program on COVID-19 in Chile: A Mathematical Model,"
IJERPH, MDPI, vol. 19(4), pages 1-12, February.
- Helong Liu & Jingyuan Yu & Guangtian Zhu, 2006.
"Analysis Of A Vector-Host Malaria Model With Impulsive Effect And Infection-Age,"
Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 9(03), pages 237-248.
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