/ COVID Positive? Here's what AIIMS director says about conducting CT scans, blood tests to spot biomarkers and use of steroids COVID Positive? Here's what AIIMS director says about conducting CT scans, blood tests to spot biomarkers and use of steroids Mirror Online / Updated: May 4, 2021, 13:43 IST With people conducting several tests including CRP, CT Scans among others after testing positive for the COVID-19 virus, Randeep Guleria has warned of some serious side effects. Guleria, addressing the media, said that through Computerized Tomography (CT) scans, one increases exposure to radiation which may increase the risk of cancer in later life. "Do a