Under the deal, the 27 EU countries could by 200 million doses, with an option for another 100 million, but they'll only be able to make the purchases once the vaccine is authorized as effective on safe by the blocks drug regulator.
根據該協議,27個歐盟國家可以由2億劑量,與另一個1億的選擇,但他們將只能使購買一旦疫苗被授權為有效的安全由塊藥物監管機構。