Confrontation over Navalny's imprisonment and worsening health condition is the latest drumbeat in the already tense relations between Moscow and the West.
The chief medical officer of BioNTech told CNBC that people will likely need a third shot of its two-dose Covid-19 vaccine as immunity against the virus wanes.
The FDA said a Baltimore plant that ruined millions of Johnson & Johnson Covid-19 vaccine doses was unsanitary and unsuitable to manufacture the shots.
Former New York City Police Commissioner Bill Bratton discusses why the guilty verdict against Derek Chauvin will be a “seminal moment” in American policing.
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