Table 1. Infection and dissemination rates of rRVF-wt and rRVF-ΔNSm in Aedes aegypti determined by immunofluorescence assay on sagittal sections of mosquitoes.

rRVF-wt										rRVF-ΔNSm
Day	Infection Rate			Dissemination Rates						Infection Rate			Dissemination Rates
				# pos/# exposed			# pos/# infected						# pos / # exposed			# pos/# infected
	(n)	# pos	% pos	(n)	# pos	% pos	(n)	# pos	% pos	(n)	# pos	% pos	(n)	# pos	% pos	(n)	# pos	% pos
0	2	0	0	2	0	0	0	0	0	3	0	0	3	0	0	0	0	0
1	11	7	64	11	0	0	7	0	0	12	0	0	12	0	0	0	0	0
2	11	7	64	11	0	0	7	0	0	10	8	80	10	0	0	8	0	0
3	12	12	100	12	1	8	12	1	8	8	3	38	8	1	13	3	1	33
4	12	10	83	12	0	0	10	0	0	11	3	27	11	1	9	3	1	33
6	12	8	67	12	4	33	8	4	50	8	4	50	8	0	0	4	0	0
8	12	9	75	12	5	42	9	5	56	8	5	63	8	0	0	5	0	0
10	7	7	100	7	7	100	7	7	100	8	6	75	8	0	0	6	0	0
12	7	7	100	7	7	100	7	7	100	4	2	50	4	1	25	2	1	50
14	10	10	100	10	10	100	10	10	100	9	7	78	9	0	0	7	0	0

Mosquitoes on day 0 were harvested immediately after receiving an infectious blood meal and were not considered infected at the time of observation since no viral antigen was visible in the midgut epithelial cells.