Updated On: 31 March, 2021 12:00 AM IST | New Delhi | IANS
In the letter, he said that many districts are seeing clusters of cases emerging because of specific events and or places where crowding happens, or where large number of people are in close physical contact, coupled with lack of Covid-appropriate behaviour.

Photo used for representational purpose
Amid the surge in coronavirus cases, Union Health Secretary Rajesh Bhushan on Tuesday wrote to Chief Secretaries of all states and Union Territories seeking action at the district levels, including public health measures, focus on mortality reduction and 100 per cent saturation vaccination of priority age groups.
In the letter, he said that many districts are seeing clusters of cases emerging because of specific events and or places where crowding happens, or where large number of people are in close physical contact, coupled with lack of Covid-appropriate behaviour.