- The first patient has received the Oxford University/AstraZeneca vaccine, in what the UK health secretary called a "real pivotal moment."
- Meanwhile, UK Prime Minister Boris Johnson announced a national lockdown for England on Monday.
- The US has administered more than 4.5 million vaccine doses, but is lagging behind some other countries as hospitalizations continue to surge following the holidays.
- Countries around the world have implemented restrictions and travel bans for the UK to contain a new Covid-19 variant first reported in England.
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