Received: 15 April 2018
DOI: 10.1002/mma.5527
SPECIAL ISSUE PAPER
Controlling Aedes aegypti populations by limited
Wolbachia-based strategies in a seasonal environment
Marat Rafikov
1
Magno Enrique Mendoza Meza
1
Diego Paolo Ferruzzo Correa
1
Ana Paula Wyse
2
1
Centro de Engenharia, Modelagem e
Ciências Sociais Aplicadas, Universidade
Federal do ABC, Santo André, SP, Brazil
2
Centro de Informática, Universidade
Federal da Paraíba, João Pessoa, PB, Brazil
Correspondence
Marat Rafikov, Centro de Engenharia,
Modelagem e Ciências Sociais Aplicadas,
Universidade Federal do ABC, Av. dos
Estados, 5001, Bairro Santa Terezinha,
Santo André, SP, Brazil.
Email: marat.rafikov@ufabc.edu.br
Communicated by: J. Vigo-Aguiar
Funding information
Fundação de Amparo a Pesquisa do, São
Paulo Research Foundation, Estado de São
Paulo, Grant/Award Number:
2015/09363-4
MSC Classification: 92D25; 49J15
In this work, the linear feedback limited control strategy is proposed to indicate
how the Wolbachia-infected mosquitoes should be introduced in the seasonal
environment to reduce the non-Wolbachia mosquito population. The numerical
simulations show that the proposed strategy reduces the population level of
non-Wolbachia mosquitos, avoiding mosquito spread and, consequently, reduc-
ing the number of cases of vector-borne diseases.
KEYWORDS
Aedes aegypti, mosquito populations, optimal control, Wolbachia
1 INTRODUCTION
The Aedes aegypti mosquito is the primary vector of dengue and responsible for other three important arboviral diseases:
zika, chikungunya, and yellow fever.
1-3
The impact caused by these diseases, because of high incidences, morbidity, and
mortality as well as the wide geographic distribution of A. aegypti, make it one of the most studied mosquitoes in the
literature. Arboviruses are transmitted to humans through bites of infected female mosquitoes.
Isolated conventional strategies, such as chemicals and extermination of reproduction spots, have not significant
effect on mosquito population control and, consequently, on the advance of epidemics.
4
Because of recent advances in
threshold-dependent gene drives for mosquitoes, the contamination of A. aegypti mosquitoes by Wolbachia appears as
a viable alternative to compose a set of actions whose goal is the eradication of diseases transmitted by this mosquito.
Wolbachia is a bacterium that can live inside the cells of most of the arthropods establishing a symbiotic relationship with
them. This endosymbiotic bacteria is able to inhibit viral replication in the mosquito
5
and to reduce its lifespan.
6
The field releases of the Wolbachia-infected mosquitoes in Cairns, Australia, as a biocontrol strategy indicate that
virus blocking is likely to persist in Wolbachia-infected mosquitoes after their release and establishment in wild popula-
tions, suggesting that Wolbachia biocontrol may be a successful strategy for reducing dengue transmission in the field.
7
Researches about the dynamics and spreading of A. aegypti infected by Wolbachia have been studied to better understand
this relationship and evaluate the impact of the infection in mosquito. These studies result in complex systems represent-
ing empiric mathematical models, based on a multidisciplinary approach, integrating specialized theoretical knowledge,
computational, and field/laboratory experience.
8-13
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