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. 2007 Jan 31;81(8):4012–4020. doi: 10.1128/JVI.02605-06

TABLE 2.

Estimated divergence dates for coronavirus groups

Nodea Mean date (95% HPDs)
A 1586 (1102-1878)
B 1647 (1247-1882)
C 1794 (1600-1920)
D 1890 (1785-1969)
E 1800 (1570-1927)
F 1892 (1823-1938)
G 1925 (1887-1941)
H 1961 (1918-1995)
I 1955 (1902-1991)
J 1986 (1964-2002)
K 1946 (1908-1969)
L 1892 (1800-1947)
M 1925 (1882-1946)
N 1953 (1902-1981)
O 1862 (1732-1942)
a

Nodes indicate the most recent common ancestors of major coronavirus lineages, as shown in Fig. 2.