New Delhi: After World Health Organization (WHO) recommended environmental surveillance of SARS-CoV-2 virus causing covid-19 in wastewater following presence of non-infecting viral fragments in wastewater in some countries including Pakistan, India too is considering to adopt the new surveillance tool to monitor the Virus.The WHO has said environmental surveillance though not widely adopted so far could potentially be used to detect unrecognized transmission of SARS-CoV-2, as a way to determine whether covid-19 has truly been contained in an area or not.Environmental surveillance by testing of wastewater for evidence of pathogens has a long history of use in public health, particularly for poliovirus and more recently antimicrobial.