In a circular issued to the district and health officials, principal secretary, health and family welfare, T K Anil Kumar said 19 cases of super spreader Omicron variant have been detected and "if left unchecked, may trigger a spike in the number of new infections." "To sustain the gains achieved so far in surveillance, containment efforts and to make best efforts to prevent occurrence of the third wave of COVID infections in the State, it is necessary to trace, track and quarantine the primary and secondary contacts of COVID-19 positive persons, more effectively," Kumar said in his circular.