West Bengal has so far reported six cases of the Omicron variant.

Meanwhile, the state's COVID-19 tally rose to 16,31,065 on Monday as 439 more people tested positive for the infection, while 10 fresh fatalities pushed the state's coronavirus death toll to 19,726.

Kolkata reported the highest number of 204 new cases, while Hooghly and North 24 Parganas districts registered the maximum of three fresh fatalities each.

The state now has 7,433 active cases, while 16,03,906 people have been cured of the disease so far, including 446 on Monday.

(With inputs from agencies)