Table 4.

The identity nucleotide identity of partial S1 among the five IBV isolates compared to the CK/CH/LDL/97I and CK/CH/SCYA/10I strains.

IBV strain/isolate	JOA2	JOA4	Saudi-1	Saudi-2	Iraqi IBV	CK/CH/LDL/97I	CK/CH/SCYA/10I
JOA2	100
JOA4	99.1	100
Saudi-1	99.4	99.7	100
Saudi-2	96.9	97.5	97.5	100
Iraqi IBV	99.1	99.4	99.7	97.2	100
CK/CH/LDL/97I	98.1	98.8	99.1	96.6	98.8	100
CK/CH/SCYA/10I	99.4	99.7	100	97.5	99.7	99.5	100