According to the ICMR survey india may have more than 6 million covid19 cases by May. This is the first, national sero survey published in the Indian journal of medical research. The survey, carried out from May 11 to June 4, tested blood samples from 28,000 people across 21 states. A total of 64,68,388 adult infections were estimated in India by the early May, the survey report said. The survey also showed that around May and June, the infections had already spread to rural India. Sero-positivity was highest at 69.4 per cent in the rural areas (villages) while in the urban slums it was 15.9 per cent and in urban non-slums it was recorded at 14.6 per cent.