India, April 4 -- If China had acted swiftly and imposed a lockdown on Wuhan much before the 67 days it took before it finally decided to lock it down on 23 January, the number of infected countries and patients would have been drastically low from the present 10 lakh across 200 countries.

The first case of Covid-19 virus was discovered in Wuhan on 17 November 2019 by the Chinese government. By the time a complete lockdown was imposed in Wuhan, Hubei province, on 23 January, which is the ground zero of the pandemic, 67 days had passed. However, by then, as estimated 4 million people had already left the borders of the city.

India, which reported its first Covid-19 case on 31 January, stopped issuing visas to Chinese nationals on 5 Febru...