In the early hours of Saturday 11 January, Prof Teresa Lambe was woken up by the ping of her email. The information she had been waiting for had just arrived in her inbox: the genetic code for a new coronavirus, shared worldwide by scientists in China.
A new variant of coronavirus has been found which is growing faster in some parts of England, MPs have been told.
Covid vaccinations will start being given to patients from GP surgeries in England as part of the next stage of the rollout of the programme.
Rich countries are hoarding doses of Covid vaccines and people living in poor countries are set to miss out, a coalition of campaigning bodies warns.
UK and Russian scientists are teaming up to trial a combination of the Oxford-AstraZeneca and Sputnik V vaccines to see if protection against Covid-19 can be improved.
In any conversation about vaccine safety, there is one statistic worth holding on to: one in 1,000.
US regulators have confirmed the Pfizer/BioNTech Covid vaccine is 95% effective, paving the way for it to be approved for emergency use.
US President-elect Joe Biden has set a goal of 100 million Covid vaccinations in his first 100 days in office.
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The UK has become the first country in the world to approve the Pfizer/BioNTech coronavirus vaccine, paving the way for mass vaccination.