https://invesbrain.com/faq-on-covid-19-subvariant-xbb-1-5-what-is-it-where-is-it-prevalent-how-does-it-differ-from-omicron-does-it-cause-serious-illness-how-can-i-protect-myself-why-is-it-nicknamed-kraken/
FAQ on COVID-19 subvariant XBB.1.5: What is it? Where is it prevalent? How does it differ from Omicron? Does it cause serious illness? How can I protect myself? Why is it nicknamed 'Kraken'?