Bengal on Thursday reported 918 new Covid-19 cases, 863 recoveries and 14 deaths, causing a rise by 41 in its total of active cases to 8,193.

In the past 40 days since Bengal snapped out of a 97-day fall in active cases, there has been a net rise of 519 in active cases, from 7,674. A minister said new infections reported on Thursday indicated people infected from October 26 to 30.

Calcutta reported 228 new infections and North 24-Parganas 156, the only two districts with a three-digit figure of new cases detected in a day. Five districts reported single-digit figures.

Calcutta, North and South 24-Parganas, Howrah, Hooghly and Nadia accounted for 635 or 69.17 per cent of new infections detected on Thursday.

Seventeen Bengal districts reported zero deaths. Calcutta and North 24-Parganas reported five deaths each.

The daily positive confirmation rate, which was nearly 33 per cent at the peak of the second wave, was 2.22 per cent on Thursday.

The state’s recovery rate is 98.28 per cent, while that of the nation is 98.23 per cent. The state’s mortality rate is 1.2 per cent, while that of the nation is 1.34 per cent.

Bengal now has over 15.96 lakh Covid-19 cases, since the first was logged in March last year. The total includes nearly 15.69 lakh recoveries and 19,188 deaths.