Slowly, more and more streets are being declared as Corona Hot Spots in the Mylapore zone.
Over the weekend, Warren Road and Dr Ranga Road were declared hot spots because a few cases were detected.
Earlier, Balakrishnan Street was declared so because there were at least 4 cases here.
Civic staff sanitise the access points to residences where the patients are located.
Here is a a help-list on the corona / vaccine issue you may find useful; local info.