but, at this stage, what is confirmed to be dominant are subvariants of omicron called b.4 and b.5," said phaahla.

kodvwa, kwanyalo, lokucinisekiwe kutsi lokutawuba nemandla tinhlotjana teligciwane letincane teomicron letibitwa ngekutsi yib.4 ne b.5" ngekusho kwaphaahla.
