Joe Biden announces his COVID-19 task force

01:30

Scientists and investors were celebrating Monday after drug maker Pfizer announced positive early results from a COVID-19 vaccine.

The news broke after a weekend in whichthe U.S. media declaredJoe Bidenthe nextU.S.president.

Bidenassembleda coronavirus task forceashis first order of business. But President Trump, who has yet to concede defeat, was also celebrating the breakthrough. Biden tempered his reaction.

CGTN’s Owen Fairclough reports.

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