‘Covid cases, deaths at least 5 times more..’: Top virologist Dr V Ravi

• From news of funeral homes being overwhelmed, to opposition parties citing number of death certificates issued - there is rising suspicion that India's Covid-19 data might be suffering from under-reporting. The central government has advised testing and surveillance in rural areas as the second wave of infections batters the countryside. Watch eminent virologist Dr V Ravi shed light on the issue, and also speak on challenges ranging from vaccination to mutation.