Malappuram reported the maximum number of cases on Thursday at 712, while Kasargod reported the least number of cases at 72. As many as 67,712 samples were tested on Thursday.
Meanwhile, 19 deaths in the last 24 hours took the state's Covid death toll to 3,392.
Among those who tested positive on Thursday, 92 people had come from outside the state, 4,911 got the diseaase through contact while the source of contact of 435 people is unclear.
Fifty-two health workers tested positive on Thursday, 14 in Kozhikode, followed by Pathanamthitta (9), Kannur (7), Thrissur (5), Ernakulam and Wayanad (4 each), Idukki and Palakkad (2 each), and Thiruvananhapuram, Malappuram and Kasargod (1 each).
At present, there are 2,01,293 people under observation in the state, including 10,904 at various hospitals.
Meanwhile, 6 new hotspots on Thursday increased the state's tally to 420.