Sewage-based surveillance for COVID-19 has been described in multiple countries and multiple settings. However, nearly all are based on testing sewage treatment plant inflows and outflows using structured sewage networks and treatment systems.
Dr Angela Chaudhuri, Health Lead, COVIDActionCollab in an interaction with Viveka Roychowdhury talks about wastewater surveillance program for COVID-19 initiated by the COVIDActionCollab in Karnataka
An independent project monitoring wastewater in 46 locations in Bengaluru has interesting data that could potentially work as a city-wide early warning system for COVID-19 outbreaks.
A sewage surveillance system providing municipal authorities with data about the presence of the novel coronavirus has found 31 per cent of samples collected from open drain canals since November 28 are registering as positive.
Recently, more than 40,000 people living in around a dozen suburbs in Sydney were asked to get tested for Covid-19 after traces of the novel coronavirus were found in sewage water in the areas despite no new local cases.
The Karnataka government is introducing a city sewage surveillance system in Bengaluru that will help officials track the novel coronavirus at an early stage, even among asymptomatic persons.