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Table 1 A 4-day roster for allocating LLINs and untreated nets in experimental huts sprayed with different IRS insecticides during the spray rounds I and II ♣

From: Comparative field evaluation of combinations of long-lasting insecticide treated nets and indoor residual spraying, relative to either method alone, for malaria prevention in an area where the main vector is Anopheles arabiensis

Spray round I (dry season) treatment rotations

Spray round II (wet season) treatment rotations

 

Day 1

Day 2

Day 3

Day 4

 

Day 1

Day 2

Day 3

Day 4

Hut 1 (DDT)

Olyset®

Icon Life®

PermaNet®

Untreated

Hut 1 (Pirimiphos methyl)

Olyset®

Icon Life®

PermaNet®

Untreated

Hut 2 (No IRS)

Untreated

Olyset®

Icon Life®

PermaNet®

Hut 2 (No IRS)

Untreated

Olyset®

Icon Life®

PermaNet®

Hut 3 (Lambda cyhalothrin)

PermaNet®

Untreated

Olyset®

Icon Life®

Hut 3 (DDT)

PermaNet®

Untreated

Olyset®

Icon Life®

Hut 4 (No IRS)

Icon Life®

PermaNet®

Untreated

Olyset®

Hut 4 (No IRS)

Icon Life®

PermaNet®

Untreated

Olyset®

Hut 5 (Pirimiphos methyl)

Olyset®

Icon Life®

PermaNet®

Untreated

Hut 5 (DDT)

Olyset®

Icon Life®

PermaNet®

Untreated

Hut 6 (No IRS)

Untreated

Olyset®

Icon Life®

PermaNet®

Hut 6 (No IRS)

Untreated

Olyset®

Icon Life®

PermaNet®

Hut 7 (DDT)

PermaNet®

Untreated

Olyset®

Icon Life®

Hut 7 (Lambda cyhalothrin)

PermaNet®

Untreated

Olyset®

Icon Life®

Hut 8 (Lambda cyhalothrin)

Icon Life®

PermaNet®

Untreated

Olyset®

Hut 8 (Pirimiphos methyl)

Icon Life®

PermaNet®

Untreated

Olyset®

Hut 9 (Pirimiphos methyl)

Olyset®

Icon Life®

PermaNet®

Untreated

Hut 9 (lambda cyhalothrin)

Olyset®

Icon Life®

PermaNet®

Untreated

  1. ♣Untreated nets inside unsprayed huts constituted controls. Two nets were used per hut, one for each of the two volunteers sleeping in each of the huts.