Table 1.

Correlations of seroprevalence of human influenza viruses between mink and human populations.

Number of months lagged	H1N1/pdm		H3N2
	rhoa	P valuea	rho	P value
0	0.746	.005	0.445	.147
1	0.739	.006	0.616	.033
2	0.789	.002	0.674	.016

Note: Statistically significant differences (P < .05) in italics.

^aSpearman correlation test.