About one in seven people in private households in England had contracted coronavirus by mid-January, according to Office for National Statistics (ONS) estimates.
A new study showing a single dose of the Oxford/AstraZeneca vaccine can significantly reduce the spread of coronavirus "categorically" supports the government's jabs strategy, Health Secretary Matt Hancock has told Sky News.
No date has been set for when quarantine hotels will be made mandatory in England, but the health secretary promised "strong" action at the border to protect against new coronavirus variants.
Drugs giant GlaxoSmithKline and German biotech firm CureVac have struck a €150m (£130m) deal to develop next-generation COVID-19 vaccines that target several variants of the virus in one product.
More than 80 suspected members of a criminal group that was manufacturing and selling fake COVID-19 vaccines - including to other countries - have been arrested in China.