State Health Minister C Vijaya Bhaskar formally launched the campaign, organised by the health department, at the Children’s Hospital at Egmore here.
The state government has set up over 43,000 booths across the state, including at primary health centres, for administering the vaccine drops to over 70 lakh children, an official release said.
About 3,000 vehicles and 2 lakh workers are involved in the campaign, the second leg of which is to be held on February 21, it added.
PTI