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/scripts/varFreqs/populations.tsv src/hg/makeDb/scripts/varFreqs/populations.tsv
index b4e2d61e7db..d1c9dedb64b 100644
--- src/hg/makeDb/scripts/varFreqs/populations.tsv
+++ src/hg/makeDb/scripts/varFreqs/populations.tsv
@@ -22,15 +22,20 @@
 HGDP1kG	asj	Ashkenazi Jewish	gnomad_AC_asj	gnomad_AF_asj
 HGDP1kG	eas	East Asian	gnomad_AC_eas	gnomad_AF_eas
 HGDP1kG	fin	Finnish	gnomad_AC_fin	gnomad_AF_fin
 HGDP1kG	mid	Middle Eastern	gnomad_AC_mid	gnomad_AF_mid
 HGDP1kG	nfe	Non-Finnish European	gnomad_AC_nfe	gnomad_AF_nfe
 HGDP1kG	oth	Other	gnomad_AC_oth	gnomad_AF_oth
 HGDP1kG	sas	South Asian	gnomad_AC_sas	gnomad_AF_sas
 # GREGoR affected/unaffected breakdown
 GREGoR	AFF	Affected	AC_AFFECTED	.
 GREGoR	UNA	Unaffected	AC_UNAFFECTED	.
 GREGoR	UNK	Unknown	AC_UNKNOWN	.
 # NPM Singapore (SG10K_Health) ancestry groups
 NPM	Chinese	Singapore Chinese	AC_SgChinese	AF_SgChinese
 NPM	Malay	Singapore Malay	AC_SgMalay	AF_SgMalay
 NPM	Indian	Singapore Indian	AC_SgIndian	AF_SgIndian
+# WBBC Westlake BioBank for Chinese regional Han groups (AC not present, will be synthesized from AF*AN at build time)
+WBBC	North	North Han	.	North_AF
+WBBC	Central	Central Han	.	Central_AF
+WBBC	South	South Han	.	South_AF
+WBBC	Lingnan	Lingnan Han	.	Lingnan_AF