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Coronavirus can spread through sewage systems, says CPCB in its latest guideline

In Paris, French authorities had found 'minuscule traces' of coronavirus in non-potable water like water supply used for cleaning streets.

Published: 21st April 2020 02:24 AM  |   Last Updated: 21st April 2020 12:08 PM   |  A+A-

A medic pushes a stretcher outside Government Medical College during a nationwide lockdown in the wake of coronavirus pandemic in Jammu Monday April 20 2020. (Photo | PTI)

Express News Service

NEW DELHI: Can COVID-19 spread through sewerage systems? The guidelines issued by the country’s top pollution watchdog say transmission to operators may be possible during treatment of Sewage Treatment Plants (STPs) and has called for use of Personal Protective Equipment (PPE).

Issued by the Central Pollution Control Board (CPCB), the Guidelines for Handling, Treatment and Disposal of Waste Generated during Treatment/Diagnosis/ Quarantine of COVID-19 Patients also says that there is no evidence as of now that coronavirus spread through sewerage systems has occurred.

In Paris, French authorities had found “minuscule traces” of coronavirus in non-potable water like water supply used for cleaning streets.

“As per the information available at CDC (Centres for Disease Control and Prevention), the risk of transmission of virus that causes COVID-19 through sewerage systems is thought to be low. Transmission to operators may be possible during treatment of STPs,” said the guidelines.

“Operators of Effluent Treatment Plants/Sewage Treatment Plants attached with discharge from Healthcare Facilities and isolation wards should adopt standard operational practices, practice basic hygiene precautions, and should wear (PPE) — goggles, face mask, liquid repellant coveralls, waterproof gloves and rubber boots,” the CPCB said adding, that during the period of COVID-19 pandemic, utilisation of treated wastewater in utilities within healthcare facilities may be avoided.

The guidelines talk about the management of general waste from quarantine homes and masks/gloves from other households.

It says used masks and gloves generated from home quarantine or other households should be kept in paper bags for a minimum of 72 hours prior to disposal as general waste.

Users are advised to cut the masks prior to disposal to prevent reuse.

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