In addition to its high immune evasion, the XBB.1.5. also has a key mutation at site 486, allowing it to bind better to ACE2, which is the door the virus uses to enter human cells.
New COVID-19 Variant Mutation Has ‘Alarming’ Immunity Evasion; Could Cause US Surge
In addition to its high immune evasion, the XBB.1.5. also has a key mutation at site 486, allowing it to bind better to ACE2, which is the door the virus uses to enter human cells.