In search for a coronavirus early warning system, scientists look to the sewers – NBC News
LONDON — Poop doesn’t lie.
That’s why scientists are looking at sewers running under the world’s cities and towns for information they hope will help to stem the spread of the coronavirus.
Sewers are treasure troves of information, containing genetic material of COVID-19 shed by those with the virus in their fecal matter — even if they are asymptomatic.
A recent study has also shown that viral levels in wastewater correlated with clinically diagnosed new COVID-19 cases and might reflect disease prevalence before it’s reported by doctors, raising hopes that the sewage could become an early warning system — a canary in a coal mine of sorts — for new outbreaks.
A water company worker climbs down into a sewage pipe in London. Researchers hope that sewage testing can help conclusively quanti...