Tamil Nadu witnessed another spike in Covid-19 positive cases today with 669 to go past the 7,000-mark at 7,204.
Chennai alone had recorded 509 new cases to end at 3,839.
Today, 135 persons were discharged after treatment to a total of 1,959. Three Covid-19 patients died to take the tally to 47, according to government data.
After Chennai, in a distant second was Tiruvalur at 47 cases; Chengalpattu with 43, Krishnagiri and Tirunelveli with ten each, and rest of the number split among other districts, including Perambalur and Kancheepuram.
A total of 13,367 blood samples were tested on Sunday, the data said.