A nurse prepares the Covishield Coronavirus vaccine developed by Oxford University and AstraZeneca Plc and Produced by Serum Institute Of India, at the Madhyamgram Hospital. After a year since the coronavirus pandemic began, claiming over 150.000 lives in India, Prime Minister Narendra Modi launched a nationwide vaccination drive against Covid-19, today. (Photo by Dipayan Bose / SOPA Images/Sipa USA)