This is a wakeup call, asserts Dr Naresh Trehan, Chairman and Managing Director, Medanta - The Medicity during Hero Cycles-NDTV #TheCycleOfChange telethon. He urged people to learn from the experience during the lockdown and reset their priorities in favour of the mother nature. He pointed out that a world that grew richer after globalisation has been brought to its knees by a small virus.