Covid infections continue to rise across the UK, with the latest data from the Office for National Statistics showing 1.7mn people testing positive, a 23 per cent increase on the week before.
Many other countries are experiencing similar increases, driven mainly by the recent BA. 4 and BA. 5 subvariants of Omicron, and hospitalisations are beginning to climb around the world.
But what are the symptoms and how worried should we be? Who will be offered a booster and when? How severe is Long Covid? Will vaccines adapted to Omicron be ready in time for the autumn? Will regulators co-ordinate a worldwide switch to these new jabs?
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