The COVID-19 testing system isn't working anymore. Could sewage surveillance plug the gap?

The COVID-19 testing system has been overwhelmed by the Omicron variant, making it impossible to know how many people are infected. Testing for the virus in wastewater could help plug the gap. But how does it work? Where is it being used? And how can it inform public health policy?

from CBC | Health News https://ift.tt/3HCMxr4