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Centre To Examine Sewage Samples To Ascertain Coronavirus Circulation Intensity: Report

The exercise will be carried out as part of the INSACOG’s genomic surveillance activity and a chain of institutions and laboratories will participate in it

Centre To Examine Sewage Samples To Ascertain Coronavirus Circulation Intensity: Report
  • India is starting environmental surveillance for SARS-CoV-2 & its variants
  • Sewage samples will be collected from strategic points from urban areas
  • This is being done for early identification of variant of concern/interest

New Delhi: Sewage samples will be collected as part of a soon-to-be-launched environmental surveillance for SARS-CoV-2 to ascertain the intensity of the virus circulation in the community and detect the emergence of any new variant, official sources said on Wednesday (August 4). The exercise will be carried out as part of the INSACOG’s genomic surveillance activity and a chain of institutions and laboratories will participate in it. The Indian SARS-CoV-2 Consortium on Genomics (INSACOG) is a grouping of 28 laboratories involved in monitoring the genomic variations in coronavirus in the country.

Also Read: Genome Sequencing Of Coronavirus In Sewage Can Help Detect Local Variants: Study

According to sources, the environmental surveillance will complement the current genomic surveillance done at sentinel sites across the country, including a network of tertiary care hospitals and medical colleges. The technique is standardised and will be built on the network established for the polio environmental surveillance, they said.

The SARS-CoV-2 environmental surveillance is part of an overall approach for mitigation of a possible third or subsequent waves of COVID-19, an official source said.

For polio eradication activities, environmental surveillance became a tool for early pick up of the virus circulation in the community and also for ensuring high-quality acute flaccid paralysis surveillance.

“India has been at the forefront of environmental surveillance during the polio programme and has been one of the first countries to initiate environmental surveillance for it.”

Also Read: WHO Calls For ‘Moratorium’ On COVID-19 Vaccine Boosters Until At Least September-End To Address Vaccination Disparity

Even today, environmental surveillance is considered a sensitive and effective tool to identify circulation of any virulent poliovirus even when there was no obvious evidence of clinical polio cases, the source explained.

Building on the same experience, the country is now initiating environmental surveillance for SARS-CoV-2 and its variants.

Also Read: Long-Lasting Covid Symptoms Rare In Children: Lancet Study

“The exercise will involve collecting sewage samples from strategic points from urban areas for early identification of any variant of concern and variant of interest,” the source said, adding this will help in identifying the intensity of viral transmission in the draining communities and colonies.

This exercise is likely to begin in the next few weeks and will be carried out in major cities and urban settlements, including Mumbai, Pune, Bangalore, Ahmedabad and Delhi. Laboratories and institutions of the Department of Biotechnology, Council of Scientific and Industrial Research, Indian Council of Medical Research, National Centre for Disease Control and states will conduct this nationwide surveillance.

Also Read: Increased Risk Of Heart Attack, Stroke In First Two Weeks Following COVID-19: Lancet Study

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)

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