Kerala-born scientist tests sewage in Sydney to map Covid spread
All day in his lab, Sudhi Payyappat leads a team of 20 in carefully examining dozens of sewage samples collected from wastewater treatment plants across New South Wales (NSW) state…
All day in his lab, Sudhi Payyappat leads a team of 20 in carefully examining dozens of sewage samples collected from wastewater treatment plants across New South Wales (NSW) state…