Table 5.
Estimated Impact of IRS with Actellic®300CS in Northern Region, 2015–2017
| Year | 6-month cumulative incidence (May–Oct; per 10,000 person-months at risk) | |||||
|---|---|---|---|---|---|---|
| Non-IRS Districts | IRS Districts | Cumulative Fewer Cases | Average population in IRS districts | Total population in IRS districtsa | Cases averted | |
| 2015 | 2340 | 1438 | 901 (39%) | 103,945 | 519,725 | 56,218 |
| 2016 | 2401 | 1779 | 623 (26%) | 103,958 | 519,792 | 38,834 |
| 2017 | 4337 | 1830 | 2507 (58%) | 107,738 | 754,168b | 162,072 |
| Total | 9078 | 5047 | 4031 (44%) | 315,641 | 1793,6685 | 257,124 |
aOut of total estimated Northern Region population—2015: 2,874,374; 2016: 2,960,606; 2017: 3,049,424
bIn 2017 two additional districts were sprayed, hence the increase in IRS district population