before administering it to a health worker during its trials.
（names an apparent winner of the election.Trump has refused to concede defeat and alleged without evidence that Bidens victory came thanks to widespread voter fraud.
還That computer was throwing them out.
國(guo)Trudeau said he aims to meet Biden soon after the inauguration.
個(ge)He has been hospitalised since Wednesday with coronavirus but is in stable condition and continuing to work from his hospital bed.
a Black woman who served as the assistant secretary of state for Africa under Obama.