Why is India having a covid-19 surge?
India’s infections set new pandemic records in April, with more than 300 000 positive tests each day for a week. Kamala Thiagarajan looks at the many unanswered questions On 26 April India saw the highest daily tally of new SARS-CoV-2 infections ever recorded in the world, 360 960, taking its pandemic total to 16 million cases, second only to the US, and more than 200 000 deaths. The…