Merge pull request jeromekelleher#340 from szhan/update_lineage_details

Add LineageDetail for Beta and Gamma

sc2ts/info.py

@@ -28,6 +28,9 @@ class LineageDetails:
     Details about major known lineages that we can use for QC purposes.
 
     https://github.com/jeromekelleher/sc2ts/issues/290
+
+    The month and year of the first detected sample are taken from
+    https://www.ecdc.europa.eu/en/covid-19/variants-concern
     """
 
     pango_lineage: str
@@ -46,6 +49,13 @@ class LineageDetails:
         "2020-09",
         ["C5388A", "C3267T"],
     ),
+    LineageDetails(
+        "B.1.351",
+        "20H",
+        "Beta",
+        "2020-09",
+        None,   # TODO: From which source?
+    ),
     LineageDetails(
         "B.1.617.2",
         "21A",
@@ -59,6 +69,13 @@ class LineageDetails:
             "C27752T",
         ],
     ),
+    LineageDetails(
+        "P.1",
+        "20J",
+        "Gamma",
+        "2020-12",
+        None,   # TODO: From which source?
+    ),
     LineageDetails(
         "BA.1",
         "21K",
@@ -114,7 +131,6 @@ class LineageDetails:
         ["T27383A", "C27382G"],
     ),
 ]
-# 20J , P.1 , Gamma , voc , 2020-09-11
 
 
 def tally_lineages(ts, metadata_db, show_progress=False):