Scientists are studying sewage to understand how COVID-19 spreads.
And British health authorities have been testing thousands of people every day to keep track of the virus’ spread as its economy reopens and. However, it’s usually people with symptoms or known exposure to confirmed cases that are screened. It is these asymptomatic people with no symptoms, who can still spread the virus, who are often missed.
“Wastewater can be really useful in understanding where the virus is spreading even if we don’t necessarily see increased numbers of people in the hospitals, because this happens later and not everyone gets symptoms, so we can provide a truly comprehensive picture of community wide infection,” she added.
The project will also look into whether the virus that ends up in the sewers could still be infectious, which can have repercussions for how sewage is handled. “If many countries develop this capacity and support it into the future, what is less likely to ever happen again is a pandemic spreading across the world for two months when no one knew it was happening,” he added.
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