With the addition of 708 new cases of coronavirus, the infection count in Maharashtra's Thane district has gone up to 5,15,827, an official said on Monday.

These new cases were reported on Sunday, he said. The virus also claimed the lives of 51 more people, raising the death toll in Thane to 9,214, he said, adding that the mortality rate in the district stood at 1.78 per cent.