Table 1 Definitions, values, and distributions of variables in the model. Variable Definition Values/Distributions ξ initial information 0.4,0.6,0.8,1.0 XI individual threshold 0.1,0.2,⋯,1.0 XD disclosing threshold 0.1,0.2,⋯,1.0 XB blocking threshold 0.1,0.2,⋯,1.0 d1 maximum moving radius 2 d2 maximum infection radius 1 N population 1024 n1 population that can send information to government 5 n2 numbers of gathering spots 10 n3 population with initial information 1 n4 initial infections 3 M numbers of nodes (area of the whole map) 2500 μ infection rate of one-time contact 30% δ information decay rate U1%,99% λ government’s credibility 90%