Laboratory and experimental hut evaluation of a long-lasting insecticide treated blanket for protection against mosquitoes

Table 2 Number of An. gambiae landing and mosquito bites received through insecticide treated material

Number of washes	Landing			Biting			Permethrin (mg/m²)	Permethrin reduction (%)
	Control	Treatment	PE	Control	Treatment	PE
0	38	8	78.95	7	0	100.00	2154.0	-
5	40	10	75.00	8	0	100.00	1248.9	42.0
10	34	20	41.18	6	0	100.00	728.0	66.2
15	36	22	38.89	7	0	100.00	639.8	70.3
20	40	27	32.50	5	0	100.00	563.4	73.8

PE = protective efficacy, after 0, 5, 10, 15 and 20 washes along with the quantity of permethrin in the material determined by HPLC analysis.

ISSN: 1756-3305