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. 2022 May 28;42:100521. doi: 10.1016/j.sste.2022.100521

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Fig. 3 — The max synchrony value represents the highest correlation between wastewater loading and case count for each ZIP code. The reported time lag indicates the day (lag) associated with the highest correlation between wastewater loading values and case data. Sewersheds are outlined in green and blue.