With 6733 new cases in last 24 hours, a tally has reached to 3,80,097 in Thane district, an official said on Monday.With 19 death cases, a total number of fatalities have spiked to 6706707.The mortality rate was 1.76 per cent, he added.In neighboring Palghar district, the COVID-19 case count has gone up to 58,676 while the death toll ws 1,260 he said.