TOPSHOT - A health worker from behind the curtain collects a swab sample of a resident to test for the Covid-19 coronavirus at a government primary health centre in Hyderabad on September 21, 2020. - India, home to 1.3 billion people and some of the world's most crowded cities, has recorded more than 5.4 million Covid-19 cases, second only to the United States which it could overtake soon. (Photo by NOAH SEELAM / AFP)