A special show, a global town house with some of the finest minds on the new Covid variant - including NDTV's Sonia Singh's exclusive interview with Dr Angelique Coetzee, the South African doctor who raised the Omicron alert. She says there are indicators that this strain results in mild infection. But the world is, clearly, not taking any chances. Countries are now shutting down international air travel, even as evidence indicates that Omicron has already spread far and wide. Is it here in India so far? We don't know yet.