S, analysts said on Tuesday, citing two unidentified Japanese intelligence sources.

分析人士週二援引兩位身份不明的日本情報人士的話說，S。

Harry Qazi Honest, a North Korea expert at the U.

美國的北韓問題專家哈里-卡齊-誠實。

S.

S.

Think tank Center for the National Interest, said the Kims and several senior North Korean officials have been vaccinated within the last 2 to 3 weeks.

智庫 "國家利益中心 "說，金正恩和幾位北韓高官在過去2至3周內接種了疫苗。

He added that it was unclear which company had supplied its drug candidate to the Kims and whether it had proven to be safe.

他補充說，目前還不清楚是哪家公司向金氏夫婦提供了候選藥物，以及該藥物是否已被證明是安全的。

Citing a U.

援引U.

S medical scientists, Cassie Honest also said at least three Chinese companies were developing a coronavirus vaccine, including Sina Back can, Sino Bio and Sino farm.

S醫學科學家，Cassie Honest還表示，至少有三家中國公司正在開發冠狀病毒疫苗，包括新浪回罐，Sino生物和Sino農場。

Sino Farm says its candidate has been used by nearly one million people in China, but none of the firms are known to have publicly launched late stage clinical trials of their experimental coded 19 drugs.

Sino Farm表示，其候選藥物在中國已經有近百萬人使用，但據悉，沒有一家公司公開啟動其實驗性編碼19藥物的後期臨床試驗。

However, other experts have expressed doubt that Kim would use an experimental vaccine.

不過，其他專家對金正日是否會使用實驗性疫苗表示懷疑。

North Korea has not confirmed any coronavirus infections, but South Korea's National Intelligence Service has said an outbreak there can't be ruled out.

北韓尚未確認任何冠狀病毒感染，但韓國國家情報局表示，不能排除那裡爆發疫情的可能性。

North Korea had trade and people to people exchanges with China, where Cove in 19 1st broke out before shutting its border in late January, Microsoft said in November 2 North Korean hacking groups had tried to break into the network of vaccine developers and multiple countries, without specifying the companies targeted, sources told Reuters.

北韓與中國有貿易和人與人之間的交流，科夫在19 1年1月下旬關閉邊境前爆發，微軟在11月2日表示，北韓黑客組織曾試圖入侵疫苗開發商和多個國家的網絡，但沒有具體說明目標公司，消息人士告訴路透社。

They included British drugmaker AstraZeneca, and South Korea said last week it had foiled the North's attempts to hack into its own Covad 19 vaccine makers.

其中包括英國製藥商阿斯利康，韓國上週表示，挫敗了北韓黑進自己的科威19疫苗製造商的企圖。