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Title: Modeling the spread of porcine reproductive and respiratory syndrome virus (PRRSV) in a swine population: transmission dynamics, immunity information, and optimal control strategies
Authors: Phithakdet Phoo-ngurn
Chanakarn Kiataramkul
Farida Chamchod
South Carolina Commission on Higher Education
King Mongkut's University of Technology North Bangkok
Mahidol University
Keywords: Mathematics
Issue Date: 1-Dec-2019
Citation: Advances in Difference Equations. Vol.2019, No.1 (2019)
Abstract: © 2019, The Author(s). Porcine reproductive and respiratory syndrome (PRRS) is an important swine disease that affects many swine industries worldwide. The disease can cause reproductive failure and respiratory problems in a swine population. As vaccination is an important tool to control the spread of PRRS virus (PRRSV), we employ a mathematical model to investigate the transmission dynamics of PRRSV and the effects of immunity information, as well as vaccination control strategies. We also explore optimal vaccination coverage and vaccination rate to minimize the number of infected swines and vaccination efforts. Our results suggest that: (i) higher vaccination coverage and vaccination rate together with prior knowledge about immunity may help reduce the prevalence of PRRSV, and (ii) longer maximum vaccination efforts are required when swines stay longer in a population and it takes them longer time to recover from PRRS infections.
ISSN: 16871847
Appears in Collections:Scopus 2019

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