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The structures of the SEAPWIR and the SEAPWIR–Markov model. A: The structure of the SEAPWIR model; B: the structure of the SEAPWIR–Markov model in which I was replaced by M, O, and S. S, susceptible; E: exposed; A: asymptomatic; P: presymptomatic; W: waiting‐to‐be‐diagnosed; I: infected; D: dead; R: recovered; M: mild; O: moderate; S: severe
