Table 3. Pairwise Φ_ST among seven populations of IHHNV isolated from penaeid shrimp in the northern Pacific coast of Mexico.

	Golfo de	Puerto
	Santa Clara	Peñasco	San Felipe	Bahia Kino	Empalme	Culiacan
Puerto Peñasco	0.31**	-
San Felipe	0.06*	0.48**	-
Bahia Kino	0.25**	0.28**	0.27**	-
Empalme	0.54**	0.63**	0.60**	0.27**	-
Culiacan	0.43**	0.43**	0.45**	0.21*	0.43**	-
Bahia Magdalena	0.37**	0.42**	0.40**	0.13*	0.31**	0.28**

(*) significant at p<0.05; (**) significant after Bonferroni correction for 21 tests (p≤0.002).