"As many as 1,000 volunteers have already been appointed. Each of the 200 wards have 5 volunteers. However, cases are increasing in Tondiarpet, Royapuram, Thiru Vi Ka Nagar, Anna Nagar, Teynampet, Kodambakkam and Adyar zone. Following an instruction from Minister KN Nehru, additional volunteers have been appointed," the release added.