Covid news: more Omicron cases in UK amid 53,945 new infections; German ‘lockdown’ for unvaccinated – as it happened

Germany is seeking to break a surge in coronavirus infections; Biden announces plan for boosters for 100 million Americans

• Omicron may cause more Covid reinfections, say South African experts
• EU must consider mandatory Covid jabs, says Von der Leyen
• Scientists find possible trigger for AstraZeneca jab blood clots

Some Covid numbers from Germany are now in.

The European nation reported another 73,209 new Covid cases for Wednesday and 388 deaths, according to data from the Robert Koch Institute.