Mumbai, Sept. 17 -- Even as Maharashtra sees an overall downward trend in daily Covid-19 infections, five districts have added nearly 70% of the state's active cases between September 5 and 14, and the weekly positivity rate from eight districts is higher than the state's average. Maharashtra on Thursday added 3,595 fresh Covid-19 infections, taking its tally to 6,511,525. The state added 45 fatalities, pushing its death toll to 138,322. Case fatality rate in the state was 2.12%....