The Department of Government Information said 214 more persons were tested positive for the virus.
All the new cases are close contacts of the Minuwangoda and Peliyagoda clusters, reports confirmed.
With the new development, novel coronavirus infections from the dual cluster hit 12,909.
According to Health Ministry’s data, 11,324 of the confirmed patients have made complete recoveries from the virus.
53 deaths in Sri Lanka have also been linked to COVID-19.