diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1037c3495..1db7cc5f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,9 @@ and this project follows to [Calendar Versioning](https://calver.org/).
 #### Ancient Metagenome: Host Associated
 
 #### Ancient Single Genome: Host Associated
+
 - Added and Fixed C14 info for Warinner2014 10.1038/ng.2906 (added by @biancamariabonucci)
+- C14 Key2020 10.1038/s41559-020-1106-9 (added by @iseultj)
 
 #### Ancient Metagenome: Environmental
 
diff --git a/ancientsinglegenome-hostassociated/dates/ancientsinglegenome-hostassociated_dates.tsv b/ancientsinglegenome-hostassociated/dates/ancientsinglegenome-hostassociated_dates.tsv
index f9ed2fed3..f423ae132 100644
--- a/ancientsinglegenome-hostassociated/dates/ancientsinglegenome-hostassociated_dates.tsv
+++ b/ancientsinglegenome-hostassociated/dates/ancientsinglegenome-hostassociated_dates.tsv
@@ -4,3 +4,12 @@ AndradesValtuena2017	2017	10.1016/j.cub.2017.10.025	6Post	PRJEB19335	ERS1892066
 Spyrou2018	2018	10.1038/s41467-018-04550-9	RT5	PRJEB24296	ERS2106903	TRUE	TRUE	DNE	FALSE	supplement text	1	10.1038/s41467-018-04550-9	TRUE	MAMS	29430	AMS	NR	NR	tooth	3517	27	-99999	-99999	-99999	-99999	TRUE	NR	NR	NR	NR	NR	3868	3704	3789	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
 Spyrou2018	2018	10.1038/s41467-018-04550-9	RT6	PRJEB24296	ERS2106904	TRUE	TRUE	DNE	FALSE	supplement text	1	10.1038/s41467-018-04550-9	TRUE	MAMS	29431	AMS	NR	NR	tooth	3499	25	-99999	-99999	-99999	-99999	TRUE	NR	NR	NR	NR	NR	3842	3696	-99999	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
 Warinner2014	2014	10.1038/ng.2906  G12	PRJNA216965	SRS473747,SRS473746,SRS473748,SRS473749,SRS473750	FALSE	FALSE	DNE	DNE	DNE	DNE	DNE	DNE	DNE	DNE	NA	DNE	DNE	DNE	unknown	NA	NA	NA	NA	NA	NA	DNE	DNE	DNE	DNE	DNE	DNE	NA	NA	NA	DNE	NA	DNE	DNE	DNE	NA	NA	NA	NA
+Key2020	2020	10.1038/s41559-020-1106-9	MUR009	PRJEB35216	ERS3967963	TRUE	TRUE	DNE	FALSE	supplement text	1	10.1038/s41559-020-1106-9	TRUE	MAMS	34556	AMS	NR	NR	tooth	5662	28	-99999	-99999	-99999	-99999	TRUE	IntCal13	SwissCal	1	NR	NR	6500	6354	NA	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
+Key2020	2020	10.1038/s41559-020-1106-9	MUR019	PRJEB35216	ERS3967964	TRUE	TRUE	DNE	FALSE	supplement text	1	10.1038/s41559-020-1106-9	TRUE	MAMS	35311	AMS	NR	NR	tooth	5641	30	-99999	-99999	-99999	-99999	TRUE	IntCal13	SwissCal	1	NR	NR	6491	6323	NA	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
+Key2020	2020	10.1038/s41559-020-1106-9	IV3002	PRJEB35216	ERS3967967	TRUE	TRUE	DNE	FALSE	supplement text	1	10.1038/s41559-020-1106-9	TRUE	GIN	10297	AMS	NR	NR	tooth	4630	50	-99999	-99999	-99999	-99999	TRUE	IntCal13	SwissCal	1	NR	NR	5578	5077	NA	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
+Key2020	2020	10.1038/s41559-020-1106-9	IKI003	PRJEB35216	ERS3967961	TRUE	TRUE	DNE	FALSE	supplement text	1	10.1038/s41559-020-1106-9	TRUE	MAMS	37619	AMS	NR	NR	tooth	4496	23	-99999	-99999	-99999	-99999	TRUE	IntCal13	SwissCal	1	NR	NR	5290	5048	NA	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
+Key2020	2020	10.1038/s41559-020-1106-9	OBP001	PRJEB35216	ERS3967965	TRUE	TRUE	DNE	FALSE	supplement text	1	10.1038/s41559-020-1106-9	TRUE	MAMS	34903	AMS	NR	NR	tooth	4555	21	-99999	-99999	-99999	-99999	TRUE	IntCal13	SwissCal	1	NR	NR	5317	5068	NA	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
+Key2020	2020	10.1038/s41559-020-1106-9	SUA004	PRJEB35216	ERS3967966	TRUE	TRUE	DNE	FALSE	supplement text	1	10.1038/s41559-020-1106-9	TRUE	MAMS	26902	AMS	NR	NR	tooth	3794	34	-99999	-99999	-99999	-99999	TRUE	IntCal13	SwissCal	1	NR	NR	4300	4010	NA	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
+Key2020	2020	10.1038/s41559-020-1106-9	MK3001	PRJEB35216	ERS3967962	TRUE	TRUE	DNE	FALSE	supplement text	1	10.1038/s41559-020-1106-9	TRUE	MAMS	29808	AMS	NR	NR	tooth	2831	20	-99999	-99999	-99999	-99999	TRUE	IntCal13	SwissCal	1	NR	NR	2994	2873	NA	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
+Key2020	2020	10.1038/s41559-020-1106-9	ETR001	PRJEB35216	ERS3967960	TRUE	TRUE	DNE	TRUE	supplement text	1	10.1038/s41559-020-1106-9	TRUE	MAMS	23981	AMS	NR	NR	tooth	1755	29	-99999	-99999	-99999	-99999	TRUE	IntCal13	SwissCal	1	NR	NR	1813	1618	NA	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA
+Key2020	2020	10.1038/s41559-020-1106-9	ETR001	PRJEB35216	ERS3967960	TRUE	TRUE	DNE	TRUE	supplement text	1	10.1038/s41559-020-1106-9	TRUE	MAMS	23339	AMS	NR	NR	tooth	1811	24	-99999	-99999	-99999	-99999	TRUE	NR	NR	DNE	NR	NR	1813	1618	NA	cal BP	2	FALSE	DNE	DNE	NA	NA	NA	NA