As COVID testing is scaled back, public health experts are looking to wastewater surveillance and other techniques to monitor new surges or variants.
in our understanding of how widely COVID-19 continues to circulate. “Hospitalizations are a lagging indicator, so it’s really important to maintain surveillance where we can in order to have early warning that a surge is coming and to do surveillance for new variants that might be consequential,” Watson says.
Meanwhile, if and when case counts begin to climb again, it will be easier for communities to increase the availability ofas needed, says Jeffrey Shaman, a professor of environmental health sciences at the Columbia University Mailman School of Public Health. The widespread use of both PCR and at-home tests is a major improvement compared to the early months of the pandemic.
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