Open AccessNoise-induced transitions in a non-smooth SIS epidemic model with media alert
Author(s) -
Anji Yang,
Bingbing Song,
Sanling Yuan
Publication year - 2021
Publication title -
mathematical biosciences and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.451
H-Index - 45
eISSN - 1551-0018
pISSN - 1547-1063
DOI - 10.3934/mbe.2021040
Subject(s) - noise (video) , environmental noise , epidemic model , stochastic modelling , ellipse , econometrics , population , computer science , social media , statistics , economics , mathematics , physics , demography , artificial intelligence , sociology , geometry , world wide web , acoustics , image (mathematics) , sound (geography)
We investigate a non-smooth stochastic epidemic model with consideration of the alerts from media and social network. Environmental uncertainty and political bias are the stochastic drivers in our mathematical model. We aim at the interfere measures assuming that a disease has already invaded into a population. Fundamental findings include that the media alert and social network alert are able to mitigate an infection. It is also shown that interfere measures and environmental noise can drive the stochastic trajectories frequently to switch between lower and higher level of infections. By constructing the confidence ellipse for each endemic equilibrium, we can estimate the tipping value of the noise intensity that causes the state switching.