Malaria Journal

Table 2 Mean final percent mortality of Anopheles arabiensis by wall location following 30 min contact bioassay with K-Othrine Polyzone (KOPZ) applied on two different wall surfaces under household conditions

From: Variable residual activity of K-Othrine® PolyZone and Actellic® 300 CS in semi-field and natural conditions in the Democratic Republic of the Congo

House	Wall location	Percent mortality* by week
House	Wall location	0	2	4	6	8	10	14	18	20	22	32	35	38	41	43	46	48
Painted cement	Top	100	96.7	100	100	100	100	100	100	93.3	100	100	93.3	93.3	100	88.9	70	50
Painted cement	Middle	97.5	100	100	100	100	100	100	100	93.3	100	100	100	90	96.7	100	83.3	80
Painted cement	Bottom	100	100	100	100	100	100	100	93.3	93.3	96.7	100	40	40	26.7	11.1	0	6.7
Baked clay	Top	100	96.7	100	100	100	100	100	83.3	53.3	70	NT	84	13.3	19.3	3.5	33.3	23.3
Baked clay	Middle	100	96.7	90	100	100	100	100	60	80	80	NT	52	16.7	7.7	3.5	16.3	3.3
Baked clay	Bottom	100	96.7	93.3	96.7	100	90	100	53.3	50	100	NT	16	10	0	3.5	6.7	6.7
Mean Temp (°C)		20.3	21	20	22.8	24	25.9	25.4	24.5	24.8	23.5	25	24.5	25.3	24.7	23.2	22.4	21.8
Mean % Humidity		53.5	56	45.5	43.3	43.3	62.3	44.8	74	79.8	79	80.8	80.5	81	72.8	63.8	56.8	55.5

^*Final mortality adjusted if control mortality is between 5 and 20%
NT: Not tested

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ISSN: 1475-2875

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