People being hospitalised with Covid-19 in the United Kingdom are broadly showing less severe symptoms than before, Britain's vaccine minister said on Tuesday, adding there was no need for further restrictions at this stage.

Prime Minister Boris Johnson resisted imposing stringent lockdown measures in England ahead of New Year as Omicron fuelled a spike in cases to record highs.

While hospitalisations are rising they have not tracked the trajectory of daily cases, possibly reflecting the impact of vaccines and booster...