3d9187d264d00ee8e681521bc2c942ee2527d4f1
max
  Wed May 13 07:33:38 2026 -0700
varFreqs: add WBBC (Westlake BioBank for Chinese) subtrack from the Phase I v20210103 release: 4,480 WGS samples, 78.6M variants, per-region frequencies for the 4 Han Chinese geographic subgroups (North/Central/South/Lingnan). databases.tsv + populations.tsv updated for the next varFreqsAll rebuild. refs #36642

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

diff --git src/hg/makeDb/trackDb/human/varFreqs.ra src/hg/makeDb/trackDb/human/varFreqs.ra
index 880534807ee..021c4d2f18c 100644
--- src/hg/makeDb/trackDb/human/varFreqs.ra
+++ src/hg/makeDb/trackDb/human/varFreqs.ra
@@ -337,30 +337,40 @@
         #visibility pack
         #type vcfTabix
         #dataVersion May 2023 (v1.2.0)
         #priority 3
 
         track tommo60kjpn
         shortLabel Japan ToMMo 61k WGS
         longLabel Variant Frequencies: Japan 61k - ToMMo SNV+Indels
         type vcfTabix
         parent varFreqs on
         bigDataUrl /gbdb/$D/varFreqs/tommo61kjpn/tommo-61kjpn-20250616-GRCh38-snvindel-af-autosome.vcf.gz
         visibility dense
         dataVersion 2025-06-16
         priority 5
 
+        track wbbc
+        shortLabel China WBBC 4.5k WGS
+        longLabel Variant Frequencies: Westlake BioBank for Chinese - 4,480 WGS, 4 regional Han groups
+        type vcfTabix
+        parent varFreqs on
+        bigDataUrl /gbdb/$D/varFreqs/wbbc/wbbc.vcf.gz
+        visibility dense
+        dataVersion Phase I v20210103
+        priority 5.5
+
         track alfaVcf
         shortLabel NCBI ALFA 408k mixed
         longLabel Variant Frequencies: NCBI ALFA (dbGaP data) - 408k mixed WGS/WES/array, 163M variants
         type vcfTabix
         parent varFreqs on
         bigDataUrl /gbdb/$D/varFreqs/alfa/ALFA.vcf.gz
         visibility dense
         dataVersion R4
         priority 4.1
         url https://www.ncbi.nlm.nih.gov/snp/$$#frequency_tab
         urlLabel NCBI Variation Page
 
         track finngen
         parent varFreqs on
         visibility dense