The infection rate of swine flu continues to hover around 10%, scientists at the National Institute of Virology (NIV) here said on Thursday. This means, of the total suspected H1N1 patients, 10-15% are testing positive.

Since January, 76 of the 345 swine flu patients in the state have succumbed to the infection, making for a mortality rate of 22%. Pune city has reported 172 cases and 22 deaths so far this year — a mortality rate of 12%. Among the 76 casualties, the highest, 59, have occurred in March and April alone.