Ludhiana,, Sept. 17 -- Hovering around 20 days in the latter half of August, the doubling rate of Covid-19 cases in Ludhiana has significantly improved in September, government data reveals.

Currently settled at 27.43 days, if this doubling rate continues, the number of positive patients in Ludhiana - 14,908 on Wednesday - will double to 30,000 only by the mid of October.

Amid the coronavirus pandemic, doubling rate helps estimate the time taken for the cases to double - the lower the number of days, the higher the spike in Covid-19 cases.

Sometimes, a large surge or dip in the number of cases can give an erroneous impression of the spread of the disease. Therefore, doubling rate is calculated using the average of five, seven or 10 day...