Figure 1. Summer surge starting

COVID virus levels in wastewater from 45 states grouped in colored categories of very low (scale 0-1.5), low (>1.5-3.0), moderate (>3.0-4.5), high (>4.5-8.0), and very high (>8.0).

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COVID virus in wastewater from 45 states. Insufficient or no data from IN, MS, MO, ND, and OK.

Chart: Henry A. Choy, COVID and Vaccine UpdateSource: Derived from CDC data.Created with Datawrapper