Evolution Model and Simulation Study of the Public Risk Perception of COVID-19.

Figure 7 shows the following conclusions: From the overall situation, when the amount of the information stimulation shows a monotonous increasing trend, the individual’s epidemic perception level will show an increasing trend, but the growth rate will gradually decline in the previous cycles and will stop falling at a certain node, which is consistent with the growth trend of the information stimulation and it becomes a linear growth; By analyzing the results of 123, when the starting point d of the information stimulus

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It can be seen in Figure 5 that when the individual’s information acceptance showed a trend of first rising and then falling, the change of the individual perception also showed a trend of first rising and then falling.

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