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Infectious Disease Modeling of Social Contagion in Networks

Figure 1

The SISa model of infection.

There are three processes by which an individual's state can change. (i) An infected individual transmits infection to a susceptible contact with rate . (ii) A susceptible individual spontaneously becomes infected at rate , regardless of the state of their contacts. (iii) An infected individual returns to being susceptible at rate , independent of the state of their contacts.

Figure 1

doi: https://doi.org/10.1371/journal.pcbi.1000968.g001