Earlier this month, Pfizer and partner BioNTech said their vaccine was around 91% effective in preventing COVID-19, citing updated trial data that included more than 12 000 people fully inoculated for at least six months.
Mo tshimologong ya kgwedi e, Pfizer le modirammogo le yona, BioNTech ba rile moento wa bona o na le diperesente di le 90 tsa go thibela COVID-19, ba nopola tshedimosetso ya diteko e e tlhabolotsweng, e e akaretsang batho ba ba fetang 12 000 ba ba tlhabilweng ka botlalo mo nakong ya dikgwedi di le thataro.