Health Minister Khairy Jamaluddin said Malaysia is currently facing a new “low, long” wave of the Covid-19 Omicron BA.5 sub-variant with cases rising steadily but slowly in recent weeks.

The BA.5 variant is a sublineage of the Omicron variant and is more infectious than other Omicron sub-variants with higher resistance to antibodies created by vaccines.

“In certain countries, their Omicron BA.5 wave was...