The Chennai Corporation has so far created 90 COVID-19 containment zones across the city to prevent entry or exit of people from such hotspots to prevent the spread of the infection. The app has registered around 3,000 downloads with more than 50 symptomatic cases being registered on it everyday. The Corporation is monitoring health of nearly 1 lakh people using the app. As on Tuesday, the city has reported 211 positive cases. Among the 90 zones in the city, Royapuram has a maximum of 26 hotspots with 63 positive cases followed by Thiru Vi Ka Nagar which has 26 cases with 14 hotspots. Anna Nagar has 12 containment zones while Teynampet has 8 such zones.