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. 2022 Jan 6;820:152877. doi: 10.1016/j.scitotenv.2021.152877

Fig. 2.

Fig. 2

Campus population estimates obtained by using de-identified unique Wi-Fi connections and total on-campus student resident data. Note that only 30% (outlined in brown) of the total residential population was used in the analysis because Wi-Fi captured a portion of those buildings. Each cluster of three bars represents the Monday, Wednesday, and Friday of the sampling week (representative day).