diff --git a/lineage_notes.txt b/lineage_notes.txt
index f37ffb7d..a13a3f4c 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -1365,6 +1365,7 @@ JN.1.65	Alias of B.1.1.529.2.86.1.1.65, S:T572I, after T23629C, G25647T, A5053G,
 JN.1.65.1	Alias of B.1.1.529.2.86.1.1.65.1, S:F456L (22928C), A10420G, C5884T, C29149T, C20483T, Spain
 MF.1	Alias of B.1.1.529.2.86.1.1.65.1.1, S:R346T, T21673C, pre-22981T
 MF.2	Alias of B.1.1.529.2.86.1.1.65.1.2, S:S60P, S:W64L
+JN.1.66	Alias of B.1.1.529.2.86.1.1.66, S:H445P, S:F456L (T22930A), S:T1117I, ORF1a:L2146F, ORF3a:L106F, Iceland/Sweden
 JN.2	Alias of B.1.1.529.2.86.1.2, ORF1a:Y621C, Europe/North America, from #2284
 JN.2.1	Alias of B.1.1.529.2.86.1.2.1, S:S31F, Sweden/Australia
 JN.2.2	Alias of B.1.1.529.2.86.1.2.2, S:T572I, N:G25C, ORF1a:L3644F, Netherlands, from #2433
diff --git a/lineages.csv b/lineages.csv
index 924627cd..73676059 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2563514,3 +2563514,8 @@ USA/NJ-GBW-GKPLAAAA38507/2024,MM.2
 USA/NJ-GBW-GKISBBBC87707/2024,MM.2
 USA/NJ-GBW-GKISBBBC87718/2024,MM.2
 USA/NJ-GBW-GKPLAAAA38501/2024,MM.2
+Iceland/L-5480/2024,JN.1.66
+Iceland/L-5463/2024,JN.1.66
+Sweden/W-50085241LX/2024,JN.1.66
+Iceland/L-5504/2024,JN.1.66
+Iceland/L-5488/2024,JN.1.66