The Health Ministry has detected 16 Covid-19 clusters so far involving pilgrims returning from umrah pilgrimages in Saudi Arabia, up from nine clusters as of Dec 30.

In addition, seven of these clusters involve index cases that are confirmed to be infected with the Omicron variant through whole-genome sequencing (WGS).

Another six clusters involved presumptive Omicron variant cases still pending confirmation through WGS.

This is an increase from...