Table 1.

Bacterial diversity identified in Cx. pipiens seven days post blood feeding.

Group	Families/Sample	Genera/Sample	Species/Sample	1-D 1	Sn 2
UNEXP	54	85	83	0.37	0.052
WNV−	66	109	118	0.55	0.080
WNV+	60	98	105	0.68	0.102

₁ Simpson’s diversity index (1-D), D = ∑n_i(n_i-1)/N(N-1), where n_i=reads from individual genera and N = total number of reads. ₂ normalized Shannon entropy (S_n) = ∑-_i P_i lnP_i/ln N, where p_i = frequency of individual genera and N = total number of reads.