SARS-CoV-2 Spike Mutation Co-occurrence Network - Segment 4: Genomic Surveillance of Co-evolving Mutations in a Global Dataset

=== SARS-CoV-2 SPIKE GENE CO-OCCURRENCE PROJECT ===Chunk files processed: 38 (cooccur_chunk_000151.tsv → cooccur_chunk_000188.tsv)Date (UTC): 2025-08-28T14:18:19Z Scope of Study: • Sequences analyzed (approx.): 5,000,000 • Mutation events recorded (approx.): 100,000,000 • Pairwise co-mutation tests performed: 3,800,000 Findings from this batch: • Mutation pair records analyzed: 38,000 • Total co-occurrence observations: 980,124,360 • Additional sequences beyond top100 lists: 976,324,360 • Total accession entries (with duplicates): 3,800,000 • Unique accessions detected: 27,600 • Unique countries represented: 74