The city has reported a surge in COVID-19 cases after reaching a record low in recent days. On Wednesday, the city registered about 25 per cent growth in new cases within a day. The rise is seen in a few areas out of the 24 civic wards. Parel, Mulund and Dahisar are showing more than double the average cases in the last week. Though it cannot be termed as a trend, it can help the BMC trace and track patients and their contacts.

The BMC has been tracing new patients in each ward. On Tuesday, there were 288 cases and on Wednesday, they rose to 363. A major increase is seen in a few wards where on Wednesday, the cases were double of their average on each of the preceding six days.