| 4 | | BA.5.2 BF. 7 BA.5.2 BF.7 | 3 | XBB | XBB.1.5 XBB | | 2022 | 10 12 XBB | 16 XBB.1 10 11 | 12 1 XBB.1.5 | | | | | XBB | | | 1 - 3 | XBB | | | | | | | | |