The number of daily coronavirus cases in Tamilnadu dropped marginally to 33,181 on Sunday. There were 311 deaths and 1,58,216 samples were tested.
After 21,317 Covid-19 patients were discharged, the number of active cases stands at 2,19,342.
Chennai reported a drop in the number of daily infections to 6,247 (6,640 on Saturday), followed by Coimbatore (3,166), Chengalpattu (2,041), Thiruvallur (1,835), Trichy (1,569), Kancheepuram (1,119) and Madurai (1,095).
On Sunday, 21,801 persons were vaccinated against 62,353 on Saturday, says a State health ministry data.
Meanwhil, Tamilnadu government said that the anti-viral drug Remdesivir would be made available directly to private hospitals to avoid overcrowding in places designated for its prescription-based sale by state authorities to the family of COVID-19 patients.