World Health Organisation warns XBB.1.5 is the 'most transmissible' Covid variant yet as 'the Kraken' strain starts sweeping the UK
There are no signs XBB.1.5 is more deadly than previously dominant variants
But the WHO said it is 'concerned about its growth advantage in particular'
XBB.1.5 has already taken hold in the US but has now started to spread in UK
22:27, 4 January 2023 | UPDATED: 12:08, 5 January 2023
https://www.dailymail.co.uk/health/article-11600095/World-Health-Organisation-warns-XBB-1-5-transmissible-Covid-variant-yet.html