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British chief scientist Patrick Vallance says the new COVID-19 variant could be more lethal, more research needed

British chief scientist says new virus variants could be more deadly

Britain’s chief scientist says new coronavirus variant could be more deadly

United Airlines chief executive says he wants to make COVID-19 vaccine compulsory

British chief scientist says new virus variant could be more deadly News

British chief scientist says new virus variants could be more deadly

NATO chief sees Biden’s inauguration as ‘new chapter’ for alliance

Japan’s vaccine chief runs back on target to secure enough COVID-19 shots by June

Former Vatican Bank chief sentenced to life imprisonment

Biden administration appoints Steve Jurczyk as acting NASA chief

The newly installed Trump-appointed NSA chief adviser is on leave

Senate rushes to confirm Biden’s intelligence chief on inauguration day