Figure 1. COVID surging.

Rising infections are reflected by more states and the District of Columbia showing moderate (>3.0-4.5 on wastewater scale), high (>4.5-8.0), or very high (>8.0) levels of virus. In addition, 17 other states have increasing levels below moderate (AZ, IL, KS, ME, MA, MN, MO, NM, NY, NC, OH, OR, PA, VT, VA, WV, WY).