The spate of these recent cases is driven by mostly two variants - the EG.5 and its sub-lineage HK.3 - both of which are descendants of the XBB Omicron variant. “Together, they now account for over 75 per cent of our daily cases,” Ong told Channel News Asia here. �� Singapore Experiencing Another COVID-19 Wave, More People Expected To Fall Sick in Coming Weeks, Says Health Minister Ong Ye Kung.