The U.S. is experiencing its largest wave in COVID-19 cases since January.
To help public health experts stop outbreaks, the Centers for Disease Control and Prevention continues to test wastewater, which acts as an early warning system for outbreaks.
Wastewater sample data shows a regional trend of COVID-19 is significantly growing. Right now, the KP.3.1.1 variant makes up nearly 37% of the cases; its related strain KP.3 follows at 17%, according to CDC data. Data collected late last week by the CDC showed that 32 states have reported "very high" levels of wastewater viral activity nationwide.
COVID-19 wastewater monitoring by region
Even in cases when a community's residents are not showing symptoms, it is possible to test wastewater for the presence of infectious diseases. The data from the CDC can detect possible changes in the levels of illnesses in your region.
Certain regions have been more severely affected than others. Western states have had the most reported cases, followed by the South.
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