Health officials have warned about two mutant strains of coronavirus that have emerged in the UK.
Cases of variants BQ.1 and XBB have been recorded across the country, with the latter said to spread quickly and appearing to evade vaccine protection.
More than 700 cases of the BQ.1 variant have been logged in the UK. A further 18 cases of the so-called "nightmare variant" XBB - which is a mutation of Omicron - have also been recorded.