H Hasan New member 5 Ocak 2023 #1 New Covid variant 'Kraken' termed most transmissible by WHO. Should you be worried? WHO’s Technical Advisory Group on Virus Evolution said the ‘rapid increase in proportion of XBB.1.5 cases in 29 countries’ is an urgent concern.
New Covid variant 'Kraken' termed most transmissible by WHO. Should you be worried? WHO’s Technical Advisory Group on Virus Evolution said the ‘rapid increase in proportion of XBB.1.5 cases in 29 countries’ is an urgent concern.