diff --git a/lineage_notes.txt b/lineage_notes.txt
index 432f8aed..89f78f11 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -2642,6 +2642,7 @@ XBB.1.5.19	ORF1b:R172C, USA
 XBB.1.5.20	C9532T, USA
 XBB.1.5.21	ORF1a:K322R, C22945T, USA
 GC.1	Alias of XBB.1.5.21.1, S:T323I, Spain
+GC.2	Alias of XBB.1.5.21.2, S:A352S, USA
 XBB.1.5.22	ORF1a:E1498A, pre T17124C, Australia
 XBB.1.5.23	ORF1a:P4220L, pre T17124C
 XBB.1.5.24	C2710T, pre T17124C
diff --git a/lineages.csv b/lineages.csv
index c8630ec9..2be9df70 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2229249,31 +2229249,8 @@ USA/GA-CDC-QDX45592207/2023,XBB.1.5.21
 Canada/ON-PHL-12401/2023,XBB.1.5.21
 USA/PA-CDC-QDX46060049/2023,XBB.1.5.21
 USA/PA-CDC-LC1003190/2023,XBB.1.5.21
-USA/NY-CDC-QDX46136632/2023,XBB.1.5.21
-USA/PA-CDC-QDX46501650/2023,XBB.1.5.21
-USA/NY-CDC-QDX45434183/2023,XBB.1.5.21
-Germany/BW-RKI-I-1109929/2023,XBB.1.5.21
-USA/PA-CDC-QDX46612048/2023,XBB.1.5.21
-USA/RI-CDC-2-6831093/2023,XBB.1.5.21
-USA/NY-CDC-QDX46136697/2023,XBB.1.5.21
-USA/NY-CDC-QDX46136634/2023,XBB.1.5.21
-USA/MA-CDCBI-CRSP_ER6E2JYBH2VZRKVY/2023,XBB.1.5.21
-USA/CA-CDC-QDX45690308/2023,XBB.1.5.21
-USA/MA-CDCBI-CRSP_K43BKQTPKHRUATTT/2023,XBB.1.5.21
-USA/NY-CDC-QDX46612019/2023,XBB.1.5.21
-USA/NY-CDC-QDX46395820/2023,XBB.1.5.21
-USA/2022-11-21_b425-89950/2022,XBB.1.5.21
-USA/MA-NEB-b0b4-99457/2023,XBB.1.5.21
-USA/2023-01-09_dc60-97717/2023,XBB.1.5.21
-USA/UT-UPHL-230127759863/2023,XBB.1.5.21
-USA/UT-UPHL--23021537628/2023,XBB.1.5.21
-USA/UT-UPHL--23021259642/2023,XBB.1.5.21
-USA/MA-NEB-b0b4-104454/2023,XBB.1.5.21
-USA/UT-UPHL-230217528166/2023,XBB.1.5.21
-USA/UT-UPHL-230217184572/2023,XBB.1.5.21
 USA/MA-NEB-b0b4-96464/2022,XBB.1.5.21
 USA/UT-UPHL-230217302141/2023,XBB.1.5.21
-USA/UT-UPHL-230217490226/2023,XBB.1.5.21
 USA/CA-CDPH-FS47040235/2023,XBB.1.5.21
 Chile/LL-ISPC-10768/2023,XBB.1.5.21
 USA/MA-CDCBI-CRSP_KT5UWYJAVCXXV52Q/2022,XBB.1.5.21
@@ -2394007,3 +2393984,58 @@ USA/NC-MCPH-CLT-014509/2023,GC.1
 USA/IL-CDC-QDX48854160/2023,GC.1
 USA/IL-CDC-LC1028952/2023,GC.1
 USA/CA-CDC-QDX49226128/2023,GC.1
+USA/NY-CDC-QDX46136634/2023,GC.2
+USA/NY-CDC-QDX46136697/2023,GC.2
+USA/RI-CDC-2-6831093/2023,GC.2
+Germany/BW-RKI-I-1109929/2023,GC.2
+USA/MA-CDCBI-CRSP_ARMR47PXTMINKHEI/2023,GC.2
+USA/MA-CDCBI-CRSP_UORGV2S5YGJ2KFYY/2023,GC.2
+USA/NY-UB-KSL-07517/2023,GC.2
+USA/NY-URMC-N1S1F133-1/2023,GC.2
+USA/IL-CDC-QDX48734075/2023,GC.2
+USA/TX-UHS-UTHSA7599-P0/2023,GC.2
+USA/NY-CDC-QDX45434183/2023,GC.2
+USA/MA-CDCBI-CRSP_OKUSROG42FBLUHUO/2023,GC.2
+USA/PA-CDC-QDX46501650/2023,GC.2
+USA/MA-CDCBI-CRSP_K43BKQTPKHRUATTT/2023,GC.2
+USA/NY-CDC-QDX46136632/2023,GC.2
+USA/MA-CDCBI-CRSP_HHAWGC3IPWXQHB2E/2023,GC.2
+USA/MA-CDCBI-CRSP_62CK7SJEHBZO4TSV/2023,GC.2
+USA/NY-CDC-QDX46612019/2023,GC.2
+USA/NY-CDC-QDX46395820/2023,GC.2
+USA/CA-CDC-LC1029362/2023,GC.2
+USA/PA-CDC-QDX46612048/2023,GC.2
+USA/MA-CDCBI-CRSP_MYXARHE7O4BDC3Z5/2023,GC.2
+USA/MA-CDCBI-CRSP_ER6E2JYBH2VZRKVY/2023,GC.2
+USA/CA-CDC-QDX45690308/2023,GC.2
+USA/CO-CDC-VSX-A062984/2023,GC.2
+USA/CO-CDC-VSX-A078776/2023,GC.2
+USA/2022-11-21_b425-89950/2022,GC.2
+USA/MA-NEB-b0b4-99457/2023,GC.2
+USA/2023-01-09_dc60-97717/2023,GC.2
+USA/UT-UPHL-230127759863/2023,GC.2
+USA/UT-UPHL--23021537628/2023,GC.2
+USA/UT-UPHL--23021259642/2023,GC.2
+USA/MA-NEB-b0b4-104454/2023,GC.2
+USA/UT-UPHL-230217528166/2023,GC.2
+USA/UT-UPHL-230217184572/2023,GC.2
+USA/2023-01-30_c33b-102052/2023,GC.2
+USA/USA_UT-IDEL-2023013155_2023_NC_045512.2/2023,GC.2
+USA/CA-HLX-STM-T3WRUSYAU/2023,GC.2
+USA/UT-UPHL-230324632824/2023,GC.2
+USA/USA_UT-IDEL-2023031641_2023/2023,GC.2
+USA/UT-UPHL-230224970422/2023,GC.2
+USA/UT-UPHL-230403918772/2023,GC.2
+USA/UT-UPHL-230407691605/2023,GC.2
+USA/UT-UPHL-691605/2023,GC.2
+USA/UT-UPHL-230310247442/2023,GC.2
+USA/UT-UPHL-230324348967/2023,GC.2
+USA/UT-UPHL-230224365985/2023,GC.2
+USA/UT-UPHL-230224115724/2023,GC.2
+USA/UT-UPHL-230217490226/2023,GC.2
+USA/UT-UPHL-230324773492/2023,GC.2
+USA/UT-UPHL-230417691784/2023,GC.2
+USA/UT-UPHL-17691784/2023,GC.2
+USA/UT-UPHL-230403512430/2023,GC.2
+USA/UT-UPHL-230224302883/2023,GC.2
+USA/UT-UPHL-230224536566/2023,GC.2