As per ICMR, the Ct-value during an RT-PCR test determines if the sample collected is COVID positive or negative. How is Ct-value measured in the COVID-19 test? Read on to know all about it.
source https://www.jagranjosh.com/current-affairs/what-is-ctvalue-in-a-covid19-test-all-you-need-to-know-1619594622-1