Both vaccine makers have presented data on their COVID-19 vaccines indicating levels of efficacy in line with those required by the World Health Organization, a WHO panel said in March.
Badiri ba meento e ka bobedi ba na le tshedimosetso ka ga meento ya bona ya COVID-19 e e supang kgono ya go tsamaelana le tseo di tlhokwang ke World Health Organisation, ba Phanele ya WHO ba buile jalo ka Mopitlwe.