United Nations Secretary-General Antonio Guterres briefs member states on his priorities for the months ahead at the UN headquarters in New York on Jan. 28, 2021. Guterres on Thursday called on member states to make vaccine solidarity a top priority. (Evan Schneider/UN Photo/Handout via Xinhua)

(210129) -- NEW YORK, Jan. 29, 2021 (Xinhua) -- United Nations (UN) Secretary-General Antonio Guterres (L) receives a dose of COVID-19 vaccine at Adlai E. Stevenson High School in the Bronx, a few miles uptown from the UN headquarters in New York, the United States, Jan. 28, 2021. Guterres received his first dose of a COVID-19 vaccine here on Thursday, according to a report published on the UN official website. (Eskinder Debebe/UN Photo/Handout via Xinhua)

(210129) -- NEW YORK, Jan. 29, 2021 (Xinhua) -- United Nations (UN) Secretary-General Antonio Guterres (C) speaks with Penny Abeywardena, New York City's commissioner for international affairs, in New York, the United States, Jan. 28, 2021. Guterres received his first dose of a COVID-19 vaccine here on Thursday, according to a report published on the UN official website. (Eskinder Debebe/UN Photo/Handout via Xinhua)

(210129) -- NEW YORK, Jan. 29, 2021 (Xinhua) -- United Nations (UN) Secretary-General Antonio Guterres (L) poses for photos at Adlai E. Stevenson High School in the Bronx, a few miles uptown from the UN headquarters in New York, the United States, Jan. 28, 2021. Guterres received his first dose of a COVID-19 vaccine here on Thursday, according to a report published on the UN official website. (Eskinder Debebe/UN Photo/Handout via Xinhua)