[ The superior growth advantage of XBB.1.5 has been well-documented by many colleagues @JPWeiland @LongDesertTrain @EricTopol
Here I'll add some experimental data:
1) XBB.1.5 is equally immune evasive as XBB.1, but
📢 2) XBB.1.5 has a much higher hACE2 binding affinity. 1/ ]