Tamil Nadu has inoculated 91.90 per cent of its population with the first dose of vaccination against COVID-19 with 82,812 people getting covered during the 24th mega vaccination camp held on Saturday, State Minister Ma Subramanian said. As much as 74.44 per cent were covered with the second dose with 4,63,494 people receiving the vaccines during the mass exercise, the Minister for Health and Family Welfare said.