The UK government has said it will step up its COVID-19 booster vaccination dramatically, with everyone in England aged over 18 offered a third dose before the end of the month.
The Omicron variant could supersede other strains of COVID-19 within the next few weeks to become dominant in the UK, according to an infectious diseases expert.
A trial of booster vaccinations to protect against COVID-19 has shown that the jab significantly strengthens the body's T-cell immunity against the disease.
The UK government has placed a 114 million-dose order with Pfizer/BioNTech and Moderna – sufficient to provide two doses to every person in Britain – in a bid to future-proof against COVID-
The UK looks set to extend its COVID-19 booster vaccination programme to all over-18s, as the number of cases of the new Omicron variant of SARS-CoV-2 has reached double figures.