Table 2.

Numbers of L. mexicana transmitted by L. longipalpis to ears of BALB/c mice. WT, wild type parasites; CAT, L mexicana-CAT. The differences between groups were verified by nonparametric Mann-Whitney U test

	L. mexicana line used for sandfly infection
	WT	CAT
Mean (Median)	7,893 (189)	19 (1)
Std. deviation	18,165	49
Range (Minimum – Maximum)	0–74,300	0–211
The difference in median	P = 0.122
The difference in distribution	P = 0.006