About one in every 50 tests conducted for Covid-19 in India as of March 25, 2020, have returned positive. In comparison, about a quarter of all tests in Italy, about a sixth in Austria and a tenth in the UK were positive, our analysis of data shows.

This could be due to varying testing criteria in different countries, experts said. As the disease spreads in India, the percentage of tests coming out positive may increase, they said. India tested 25,254 samples as of 8 p.m. on March 25, of which 581 (2.3 per cent) were positive, according to the latest update from the Indian Council ...