NEW DELHI : Test results may come out negative even if one has contracted COVID-19, experts have warned, advising that those showing symptoms of the disease must be treated without waiting for a confirmatory test to prevent aggravation of the infection.There have been several cases where patients showing clinical symptoms of COVID-19 have tested negative for the virus multiple times.
They were confirmed positive after repeated tests, doctors said.The general perception of the experts now is that a high degree of suspicion arising out of the clinical symptomatology and the CT scan reports should be the guiding factor for treatment rather than relying only on the RT-PCR test which has a sensitivity of only 7%, Dr Neeraj Gupta, professor in.