All queries about Covid-19, Covid Diagnosis, and Vaccination cleared by Dr. Sanjay Arora

Dr. Sanjay Arora, Founder and MD of Suburban Diagnostics talks about significance of RT PCR, why more youngsters are affected in the second wave, why repeat RT PCR is recommended, emergency tests to diagnose Covid-19, right way of mask use, effectiveness of oxygen concentrator and why second wave of Covid-19 is more powerful.