Non-recombinant: XAJ

[szhan]

cov-lineages/pango-designation#826

ktmeaton/ncov-recombinant#117

Below is info collated from the pango-designation issues by the RecombinHunt authors.

It is detected as a non-recombinant by RecombinHunt-GISAID and RecombinHunt-Nextstrain.

method	left_parent	right_parent	left_breakpoint	right_breakpoint
pango-designation	BA.2.12.1*	BA.4*	-	-

N.B. The RecombinHunt authors noted that the breakpoint intervals are unclear.

Discussion started #285.

Quoting Yan: "And for XAJ (here we have a single reversion on the trunk, however, so it's possibly a bit less clear".

Coping image from Yan.

[jeromekelleher]

Note this is seen as a two break recombinant by sc2rf (see link above)