diff --git a/lineage_notes.txt b/lineage_notes.txt
index 73645bf8..40755b73 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -2596,6 +2596,7 @@ XBC.1.2	Philippines/Netherlands/Denmark, T11269C
 XBC.1.2.1	Denmark, ORF1b:T132I
 XBC.1.3	Philippines/Australia, C25614T
 XBC.1.4	Australia, S:G184S, #1622
+XBC.1.5	Philippines/South Korea/Japan, ORF1a:T708I after A10042C, from #1671
 XBC.2	Mostly Philippines, defined by S:K97R
 XBD	Recombinant lineage of BA.2.75.2 and BF.5, India and world, from pango-designation issue #1137
 XBE	Recombinant lineage of BA.5.2 and BE.4.1, predominantly in USA and England, from pango-designation issue #1246
diff --git a/lineages.csv b/lineages.csv
index e44aeef9..d4ba3b0a 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2130729,8 +2130729,6 @@ Japan/PG-405871/2022,XBC.1
 Philippines/PH-VUI-140764/2022,XBC.1
 Philippines/PH-VUI-140767/2022,XBC.1
 Philippines/PH-VUI-140769/2022,XBC.1
-Philippines/PH-VUI-142743/2022,XBC.1
-Philippines/PH-VUI-141798/2022,XBC.1
 Philippines/PH-VUI-144322/2022,XBC.1
 Philippines/PH-VUI-144319/2022,XBC.1
 Philippines/PH-SPMC-4-74/2022,XBC.1
@@ -2130936,22 +2130934,6 @@ HongKong/HK-HKPU-PUU045030439/2022,XBC.1
 SouthKorea/KDCA122847/2022,XBC.1
 Philippines/PH-SPMC-4-60/2022,XBC.1
 Philippines/PH-SPMC-4-61/2022,XBC.1
-SouthKorea/KDCA153048/2022,XBC.1
-Philippines/PH-RITM-3103/2022,XBC.1
-Philippines/PH-RITM-3122/2022,XBC.1
-Philippines/PH-RITM-3204/2022,XBC.1
-SouthKorea/KDCA149179/2022,XBC.1
-SouthKorea/KDCA182097/2022,XBC.1
-Philippines/PH-RITM-3203/2022,XBC.1
-Philippines/PH-RITM-3240/2022,XBC.1
-Australia/NSW-ICPMR-37540/2022,XBC.1
-USA/CA-CDPH-FS25388083/2022,XBC.1
-Guam/GU-H2217452/2022,XBC.1
-England/LSPA-326080FA/2022,XBC.1
-USA/CA-CDC-STM-EWMMWBP7T/2022,XBC.1
-SouthKorea/KDCA156718/2022,XBC.1
-Australia/NSW-ICPMR-36150/2022,XBC.1
-Australia/NSW-ICPMR-36385/2022,XBC.1
 Philippines/PH-SPMC-4-70/2022,XBC.1
 Iceland/L-2045/2022,XBC.1
 Philippines/PH-VUI-129428/2022,XBC.1
@@ -2231825,7 +2231807,6 @@ Netherlands/NH-AUMC-000644/2023,EN.1
 Netherlands/NH-AUMC-000454/2023,EN.1
 Netherlands/UT-RIVM-125822/2023,EN.1
 Netherlands/UT-RIVM-125672/2023,EN.1
-strain,EP.2
 Belgium/Jessa_11-2249-006021/2022,EP.2
 Belgium/Jessa_11-2251-001085ZOL/2022,EP.2
 Belgium/UCL_22H-343G0153/2022,EP.2
@@ -2231871,4 +2231852,65 @@ Singapore/R11MR38/2023,EP.1
 Bhutan/RCDC-0029/2023,EP.1
 Bhutan/RCDC-0028/2023,EP.1
 Bhutan/RCDC-0021/2023,EP.1
+strain,XBC.1.5
+Philippines/PH-VUI-142743/2022,XBC.1.5
+Philippines/PH-VUI-141798/2022,XBC.1.5
+SouthKorea/KDCA204348/2023,XBC.1.5
+SouthKorea/KDCA211369/2023,XBC.1.5
+SouthKorea/KDCA152797/2022,XBC.1.5
+Guam/GU-H2217452/2022,XBC.1.5
+USA/CA-CDPH-FS25388083/2022,XBC.1.5
+Australia/NSW-ICPMR-37540/2022,XBC.1.5
+Philippines/PH-RITM-3240/2022,XBC.1.5
+SouthKorea/KDCA182097/2022,XBC.1.5
+SouthKorea/KDCA189783/2022,XBC.1.5
+SouthKorea/KDCA201513/2023,XBC.1.5
+SouthKorea/KDCA211532/2023,XBC.1.5
+SouthKorea/KDCA149179/2022,XBC.1.5
+Philippines/PH-RITM-3204/2022,XBC.1.5
+Philippines/PH-RITM-3122/2022,XBC.1.5
+Philippines/PH-RITM-3103/2022,XBC.1.5
+SouthKorea/KDCA153048/2022,XBC.1.5
+Philippines/PH-RITM-3203/2022,XBC.1.5
+Philippines/PH-RITM-3646/2022,XBC.1.5
+Philippines/PH-RITM-3647/2022,XBC.1.5
+SouthKorea/KDCA210702/2023,XBC.1.5
+SouthKorea/KDCA210942/2023,XBC.1.5
+SouthKorea/KDCA210941/2023,XBC.1.5
+SouthKorea/KDCA156718/2022,XBC.1.5
+Australia/NSW-ICPMR-36150/2022,XBC.1.5
+Australia/NSW-ICPMR-36385/2022,XBC.1.5
+England/PHEC-YY8ADCP/2022,XBC.1.5
+USA/CA-CDC-STM-EWMMWBP7T/2022,XBC.1.5
+USA/IL-NM-40158/2022,XBC.1.5
+England/LSPA-326080FA/2022,XBC.1.5
+Japan/PG-431521/2023,XBC.1.5
+Japan/PG-427441/2022,XBC.1.5
+Japan/PG-443803/2023,XBC.1.5
+Japan/PG-441295/2023,XBC.1.5
+Japan/PG-437794/2023,XBC.1.5
+Japan/PG-446360/2023,XBC.1.5
+Japan/PG-440290/2023,XBC.1.5
+Japan/PG-428307/2022,XBC.1.5
+Japan/PG-446984/2023,XBC.1.5
+Japan/PG-431902/2023,XBC.1.5
+Japan/PG-432037/2023,XBC.1.5
+Japan/PG-430384/2023,XBC.1.5
+Japan/PG-433633/2022,XBC.1.5
+Japan/PG-431627/2023,XBC.1.5
+Japan/PG-433642/2022,XBC.1.5
+Japan/PG-446983/2023,XBC.1.5
+Japan/PG-442202/2023,XBC.1.5
+Japan/PG-440661/2023,XBC.1.5
+Japan/PG-422519/2022,XBC.1.5
+Japan/PG-436035/2023,XBC.1.5
+Japan/PG-441508/2023,XBC.1.5
+Japan/PG-446372/2023,XBC.1.5
+Japan/PG-446339/2023,XBC.1.5
+Japan/PG-446371/2023,XBC.1.5
+Japan/TKYmbc33590/2023,XBC.1.5
+Japan/PG-421445/2022,XBC.1.5
+Japan/PG-445161/2023,XBC.1.5
+Japan/PG-445102/2023,XBC.1.5
+Japan/PG-445089/2023,XBC.1.5