1/ HOW DIFFERENT IS XBB.1.5 AND HOW WORRYING IS IT?
Very. This graphic from the linked paper shows it is as different from the Wuhan variant (now known as WT = Wild Type) of SARS-COV-2 as WT is from SARS-COV (the virus which caused SARS1 in 2003).
https://t.co/XaRfwstpnn