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. 2021 Jan 20;17(1):e1008601. doi: 10.1371/journal.pcbi.1008601

Fig 2. The VIF as a function of the SAR for households with m susceptibles.

Fig 2

Lines show analytical calculations, and symbols show estimates from 40,000 simulated household outbreaks. Each simulated household outbreak started with a single primary case, so the total household size was m + 1. For numerical stability, symbols are shown only for simulations with an observed FAR <0.99.