US health officials have approved updates to COVID-19 vaccines that target the latest strains of the omicron variant. The tweaked booster shots could be available in the coming days.

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Croydon University Hospital near London receives one of the first batches of the Pfizer BioNTech coronavirus vaccine as it is distributed to hospitals across the UK in hopes that vaccinations will begin in the next few days.

British Prime minister Boris Johnson announces the UK government has accepted a recommendation by the country's independent medicines regulator to approve Pfizer-BioNTech's Covid-19 vaccine for general use. The Chief Executive of the NHS in England Simon Stevens says the 'at-risk' population will be inoculated first.