COVID surges across Asia, Europe; Why booster doses are way forward for India?

While the world is seeing a surge in COVID infections, India is recording a decline in daily cases. As per the health ministry, active cases comprise 0.06% of the total infections. The national COVID-19 recovery rate was recorded at 98.73%. But in Europe and Asia, the situation is turning worse. Hong Kong's COVID infections have exceeded 1 million amid an outbreak. What will be the impact of this on India? Does India need to worry about a fourth COVID wave? In this episode of Hindustan Times Insight, editor-in-chief Sukumar Ranganathan weighs why India can't let down guard as yet. Watch for more details.