Coronavirus live updates: Serum Institute to resume Covid vaccine trials after DCGI nod

"Jab tak dawai nahi, tab tak dhilai nahi. Do gaj ki doori, mask hai jaroori (Face mask and maintainting distance of two yards is necessary)," he said.

At this very moment a vast world exists that's free of the coronavirus, where people can mingle without masks and watch the pandemic unfold from thousands of miles away. That world is Antarctica, the only continent without Covid-19. Now, as nearly 1,000 scientists and others who wintered over on the ice are seeing the sun for the first time in weeks or months, a global effort wants to make sure incoming colleagues don't bring the virus with them.