That's according to two sources familiar with the deal, who said it's expected to be announced on Friday.

這是兩位熟悉該交易的消息人士的說法，他們表示，預計將在週五宣佈。

The scheme was set up last year as a result of concerns that poor nations would lose out as rich country scrambled to Secure Cove in 19 vaccines for their citizens.

該計劃是去年設立的，因為人們擔心貧窮國家會失去，因為富裕國家爭相在19種疫苗中為其公民提供安全灣。

The Pfizer and by on tech vaccine would be Kovacs is second after AstraZeneca's details on the size of the deal or the price Kovacs would pay were not immediately clear.

輝瑞和由上科技疫苗將科瓦奇是第二位，僅次於阿斯利康的交易規模或科瓦奇將支付的價格細節沒有立即明確。

But the sources said the allotment of doses would likely be relatively small.

但消息人士表示，配發的劑量可能會比較小。

One source says the limited doses air primarily meant for health care workers and Kovacs countries.

一位消息人士說，有限劑量的空氣主要是指保健人員和科瓦茨國家。

The Pfizer shot is also more complicated to transport and store requiring ultra cold freezers, which may not be practical for poor countries with hot climates.

輝瑞針劑的運輸和儲存也比較複雜，需要超低溫冰櫃，這對氣候炎熱的窮國來說可能不實用。

Reuters reported Wednesday that the W H O plans to approve several more vaccines from Western and Chinese manufacturers in the coming weeks.

路透社週三報道，W H O計劃在未來幾周內再準許幾種來自西方和中國製造商的疫苗。

In an updated forecast published on Thursday, Kovac said it planned to deliver nearly two billion doses to 92 countries this year, covering over a quarter of their populations.

在週四公佈的最新預測中，科威公司表示，今年計劃向92個國家提供近20億劑量的藥物，覆蓋超過四分之一的人口。

The Kovacs scheme is set to start distributing CO vid 19 vaccines next month.

科瓦奇計劃將於下月開始分發CO vid 19疫苗。

Ukraine said earlier on Thursday that its first delivery of some 210,000 doses under the Kovacs scheme could arrive in the first half of February.

烏克蘭週四早些時候表示，根據Kovacs計劃交付的第一批約21萬劑藥物可能在2月上半月到達。