Thiruvananthapuram: Kerala reported 1,968 fresh COVID-19 cases, including 48 health workers taking the infection count in the state to 52,199 so far.

Health minister KK Shailaja said as many as 1,737 were infected through contact and the source of infection of 100 people was not yet known.

Thiruvananthapuram, which reported 429 cases on Thursday, continued to be the district with the highest number of cases followed by Malappuram 356.

The other five districts with over 100 cases are Alappuzha, Ernakulam, Kozhikode, Kottayam and Pathnamthitta.

On August 20, the state recorded nine more deaths due to COVID-19, taking the toll in the state to 191.

Among the positive cases, 71 had come from abroad, while 109 had come from other states, the minister said. So far 33,828 people have tested negative for the infection, including 1,217 who were discharged today.

At present 18,123 people are under treatment. As many as 1.73 lakh people are under observation, of whom 1.58 lakh are in home or institutional quarantine and 14,646 in various hospitals, including 2198 admitted today, the minister said.

In the last 24 hours, 37,010 samples have been tested and so far, 12.12 lakh have been sent for testing. The total number of hotspots has touched 585 as of today.