Good response to pulse polio immunisation drive Updated: Updated: February 01, 2021 02:27 IST A total of 6,536 workers, including Health Department staff and volunteers, are involved in the immunisation drive in the district. Share Article AAA Minister for Municipal Administration and Rural Development S.P. Velumani administering polio vaccine drops to a child at the Coimbatore Medical College Hospital on Sunday. | Photo Credit: Siva SaravananS A total of 6,536 workers, including Health Department staff and volunteers, are involved in the immunisation drive in the district. The pulse polio immunisation drive held on Sunday achieved 99% coverage in Coimbatore district with 3,36,798 children in the 0-5 years age group administered the oral polio drops. Health workers maintained precautions against COVID-19 during the drive.