O-31 - Both lineage A and lineage B early cases cluster near the Huanan market
The lineage-confirmed subsets are small (n=2 and n=11) and the p-values near threshold (0.034, 0.017); a 2024 erratum corrected the null-generation procedure. The claim rests on both independently-introduced lineages centring on the same market.
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Why this is evidence
Both independent lineages clustering near the market favors the market as their common emergence locus (H-14/H-15) over the artifact reading (H-19); an artifact of market-focused case-finding need not place both lineages there.