Table 3. %GC, %GC3, ENA and CAI values of RVFV segments.

		%GC	%GC3	ENC	CAIa	CAIb
L segment	Group 1	43.46	46.03	51.29	0.764	0.693
	Group 2	43.50	46.00	51.43	0.763	0.691
	Group 3	43.88	46.55	51.45	0.764	0.697
	Group 4	43.50	45.85	51.30	0.763	0.690
	Group 5	43.63	46.25	51.30	0.765	0.688
M segment	Group 1	46.32	45.34	49.49	0.762	0.666
	Group 2	46.20	45.25	49.58	0.764	0.666
	Group 3	46.34	45.49	49.74	0.761	0.665
	Group 4	46.22	45.46	50.00	0.765	0.668
	Group 5	45.98	44.48	49.98	0.761	0.671
S (NP) segment	Group 1	50.55	53.27	60.32	0.748	0.696
	Group 2	50.54	53.78	60.82	0.753	0.696
	Group 3	49.90	51.50	60.51	0.748	0.688
	Group 4	50.09	52.53	60.99	0.747	0.700
	Group 5	51.75	56.90	61.00	0.762	0.716
S (NS) segment	Group 1	46.73	43.53	55.29	0.745	0.693
	Group 2	46.75	43.80	55.25	0.745	0.695
	Group 3	46.79	43.77	54.54	0.754	0.703
	Group 4	46.70	43.94	55.64	0.743	0.698
	Group 5	46.85	44.00	53.23	0.754	0.704

CAI^a: the difference in codon usage bias against Homo sapiens as reference set, CAI^b: the difference in codon usage bias against Aedes aegypti as reference set