Jan 2020
Jul 2020
Jan 2021
Jul 2021
Jan 2022
Jul 2022
Jan 2023
Jul 2023
0.0
20.0
40.0
60.0
80.0
100.0
Nextstrain Clade
19A
19B
20A
20B
20C
20D
20E
20G
20H
20I
20J
21A
21B
21C
21D
21E
21F
21I
21J
21K
21L
21M
22A
22B
22C
22D
22E
22F
23A
23B
m
recombinant
Month
Percentage
plotly-logomark