A big shift in collecting COVID data — from case counts to monitoring poop

NPR

Earlier this year, the CDC stopped collecting data on new infections (as in positive tests) – relying instead on COVID hospitalizations, deaths and, increasingly, on wastewater surveillance – a network set up during the pandemic to regularly test sewage samples from around the country. The surveillance network has expanded beyond COVID to track flu, RSV, norovirus and other health threats that are detectable in human waste.