Table 1.
Description of programme years included in effect estimates and cost analyses
| Programme | Year | Number of districts | Approximate annual incidence | Pyrethroid resistance status of primary vector by WHO bioassay | LLIN coverage (%) | LLIN use (%) | Insecticide product | Target dose | Expected m2 per structure | Structures sprayed | Expected persons per structure | Persons protecteda |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Ghana AIRS/VectorLink Northeast and Northern Regions |
2017b | 7 | High (~ 200 per 1000 person-years) | Highly resistant (0–80% mortality in An. gambiae) | > 80 | 50–60 | Actellic® 300CS | 1 g/m2 | 54.4 | 304,648 | 2.7 | 840,438 |
| 2018 | 7 | 277,530 | 777,475 | |||||||||
|
Ghana AGAMal Upper West, Upper East Regions |
2017 | 13 | High (~ 300 per 1000 person-years) | Highly resistant (10–85% mortality in An. gambiae) | > 90 | 54–63 | Actellic® 300CS | 1 g/m2 | 40.0 | 915,140 | 1.1 | 1,028,523 |
| 2018 | 10 | 525,377 | 1.1 | 646,534 | ||||||||
|
Mali AIRS/VectorLink Mopti Region |
2017b | 4 | High (~ 300 per 1000 person-years) | Highly resistant (6–90% mortality in An. gambiae) | 85–90 | 67–78 | Actellic® 300CS | 1 g/m2 | 90.0 | 227,646 | 3.6 | 823,201 |
|
Mozambique AIRS/VectorLink Zambezia Province |
2017 | 7 | High (~ 400 per 1000 person-years) | Variable resistance (7–86% mortality in An. funestus) | > 90 | 85–90 | Actellic® 300CS | 1 g/m2 | 132.0 | 381,533 | 3.9 | 1,933,484 |
| 2018 | 4 | 120.0 | 237,194 | 4.4 | 1,121,543 | |||||||
|
Uganda Abt bilateral Northern and Eastern Regions |
2017b | 14 | High (~ 200 per 1000 person-years) | Highly resistant (0–80% mortality in An. gambiae) | 90 | 74 | Actellic® 300CS | 1 g/m2 | 101.0 | 1,225,644 | 3.5 | 4,227,236 |
| 2018 | 15 | 1,292,309 | 4,436,156 | |||||||||
|
Zambia AIRS/VectorLink Eastern, Luapula, Muchinga, Northern Provinces |
2017b | 4 | High (~ 200 per 1000 person-years) | Resistant (40–100% mortality in An. gambiae) | 55–80 | 40–60 | Actellic® 300CS | 1 g/m2 | 66.5 | 634,371 | 4.7 | 3,005,676 |
AGAMal, AngloGold Ashanti Malaria Control; AIRS, Africa Indoor Residual Spraying Project; CS, capsule suspension; g, gram; LLIN, long-lasting insecticidal net; m, metre; WHO, World Health Organization
aPersons protected, as collected during programme implementation, refers to the total number of residents living in houses that were sprayed
bCosts from Abt programmes were calculated from the 2017 spray campaigns