They said the count of containment zones is expected to jump further as the authorities in some districts were yet to complete the task of redrawing such areas following the Centre's directions.
Before the re-mapping exercise, the number of containment zones was 280 in the city, an official said.
"We have screened around two lakh people for COVID-19 in house-to-house survey being conducted across the city. Also, 45,000 people have been screened in COVID-19 containment zones," the official told .
The process of screening every household has to be completed by July 6.
According to the 2011 Census, there were over 34.35 lakh households in the national capital, including 33.56 lakh in urban areas and 79,574 in rural areas.
According to COVID-19 response plan issued by the Delhi government, the re-mapping of the containment zones should be completed by June 30. BUN IJT