diff --git a/lineage_notes.txt b/lineage_notes.txt
index 5f7e9482..7b378cf9 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -1400,6 +1400,7 @@ BQ.1.1.70	Alias of B.1.1.529.5.3.1.1.1.1.1.1.70 Japan, ORF1a:A903V, M:S212G, fro
 BQ.1.1.71	Alias of B.1.1.529.5.3.1.1.1.1.1.1.71 found in England, from pango-designation issue #1713
 EV.1	Alias of B.1.1.529.5.3.1.1.1.1.1.1.71.1 S:Y248H, England
 BQ.1.1.72	Alias of B.1.1.529.5.3.1.1.1.1.1.1.72 ORF1b:D100A
+BQ.1.1.73	B.1.1.529.5.3.1.1.1.1.1.1.73, found mainly in Canada and Spain, from pango-designation issue #1740
 FC.1	Alias of B.1.1.529.5.3.1.1.1.1.1.1.72.1 S:478R, Indonesia
 BQ.1.2	Alias of B.1.1.529.5.3.1.1.1.1.1.2, found globally, defined by S:I666V, from issue #1082
 BQ.1.2.1	Alias of B.1.1.529.5.3.1.1.1.1.1.2.1 found mainly in Japan, SouthKorea and Mongolia, from pango-designation issue #1392
diff --git a/lineages.csv b/lineages.csv
index 1132863c..b2df94fe 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2236717,7 +2236717,7 @@ England/PHEC-YY8HO37/2023,BQ.1.1
 Italy/SIC-CQRC-34231377/2023,BQ.1.1
 USA/AR-CDC-2-6769128/2023,BQ.1.1
 Spain/PV-HUD-70249198/2023,BQ.1.1
-Spain/VC-CVA_GRAL-116653/2023,BQ.1.1
+Spain/VC-CVA_GRAL-116653/2023,BQ.1.1.73
 Brazil/PR-NVBS28196GENOV852337730361/2022,BQ.1.1
 USA/IL-2092023167/2023,BQ.1.1
 Sweden/9462402076/2022,BQ.1.1
@@ -2236745,7 +2236745,7 @@ Germany/NW-RKI-I-1082701/2022,BQ.1.1
 Spain/AB-HGUA-60667752/2023,BQ.1.1
 Denmark/DCGC-606059/2022,BQ.1.1
 Switzerland/ZH-UZH-IMV-3ba6870c/2023,BQ.1.1
-Japan/PG-454170/2023,BQ.1.1
+Japan/PG-454170/2023,BQ.1.1.73
 England/PHEP-YYGN4GO/2022,BQ.1.1
 USA/CA-CDPH-FS47041020/2023,BQ.1.1
 Chile/RM-PUC_MVL_3336/2022,BQ.1.1
@@ -2239385,7 +2239385,7 @@ England/BRBR-3264649A/2022,BQ.1.1
 USA/WI-MCRI-012482/2022,BQ.1.1
 France/IDF-SLS-762210070434/2022,BQ.1.1
 Denmark/DCGC-615532/2022,BQ.1.1
-Canada/QC-L00591547001/2023,BQ.1.1
+Canada/QC-L00591547001/2023,BQ.1.1.73
 Brazil/BA-NVBS28024GENOV852357575058/2022,BQ.1.1
 Chile/VS-7359/2023,BQ.1.1
 Denmark/DCGC-616357/2022,BQ.1.1
@@ -2362634,3 +2362634,50 @@ Denmark/DCGC-644165/2023,FK.1
 Australia/QLD0x013026/2023,FK.1
 Australia/NSW-ICPMR-43867/2023,FK.1
 Germany/NW-RKI-I-1122009/2023,FK.1
+Spain/VC-FISABIO-116171/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116651/2023,BQ.1.1.73
+Spain/VC-FISABIO-116950/2023,BQ.1.1.73
+USA/NY-UB-CHS-02707/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116648/2023,BQ.1.1.73
+USA/NJ-CDC-LC0988560/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116655/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116659/2023,BQ.1.1.73
+Canada/QC-L00569972001/2022,BQ.1.1.73
+Canada/QC-L00571562001/2023,BQ.1.1.73
+Japan/PG-460360/2023,BQ.1.1.73
+Japan/PG-423019/2022,BQ.1.1.73
+Canada/QC-L00589219001/2023,BQ.1.1.73
+Japan/PG-454172/2023,BQ.1.1.73
+Canada/QC-L00568919001/2022,BQ.1.1.73
+Canada/QC-L00586340001/2023,BQ.1.1.73
+Canada/QC-L00568913001/2022,BQ.1.1.73
+Japan/PG-454171/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116656/2023,BQ.1.1.73
+Canada/QC-L00593342001/2023,BQ.1.1.73
+Japan/PG-445015/2023,BQ.1.1.73
+Canada/QC-L00589679001/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116654/2023,BQ.1.1.73
+Japan/PG-438863/2023,BQ.1.1.73
+Canada/QC-L00577712001/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116652/2023,BQ.1.1.73
+Canada/ON-PHL-12333/2023,BQ.1.1.73
+Canada/QC-L00566053001/2022,BQ.1.1.73
+Canada/ON-PHL-12543/2023,BQ.1.1.73
+Canada/QC-L00587400001/2023,BQ.1.1.73
+Japan/PG-444036/2023,BQ.1.1.73
+Canada/QC-L00579646001/2023,BQ.1.1.73
+Canada/QC-L00590297001/2023,BQ.1.1.73
+Spain/VC-FISABIO-116377/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116657/2023,BQ.1.1.73
+Canada/QC-L00594356001/2023,BQ.1.1.73
+Canada/QC-L00589686001/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116647/2023,BQ.1.1.73
+Canada/QC-L00566004001/2022,BQ.1.1.73
+Spain/VC-CVA_GRAL-116650/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116649/2023,BQ.1.1.73
+Canada/QC-L00577691001/2023,BQ.1.1.73
+Canada/QC-L00593930001/2023,BQ.1.1.73
+Spain/VC-CVA_GRAL-116658/2023,BQ.1.1.73
+Canada/QC-L00564876001/2022,BQ.1.1.73
+Canada/QC-L00570477001/2022,BQ.1.1.73
+Canada/QC-L00586331001/2023,BQ.1.1.73