Figure 1 (IMAGE)
Caption
Figure 1 in the published paper depicts a schematic illustration of the Stochastic Social Activity model in which each individual changes their social activity over time. People with low social activity (depicted as socially isolated figures at home) occasionally increase their level of activity (depicted as at a party). The average activity in the population remains the same over time, but individuals constantly change their activity levels from low to high (arrows pointing up) and back (arrows pointing down). Individuals are colored according to their state: susceptible = green, infected = red, and recovered/removed = blue. The epidemic is fueled by constant replenishment of the susceptible population when individuals move from the low-activity state to high-activity settings. Virus transmission occurs predominantly between individuals having high current activity levels.
Credit
A. V. Tkachenko, et al., eLife, December 14, 2021
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Original content