Table 3.
Impact of Auto-Visual Acute Flaccid Paralysis Detection and Reporting (AVADAR) in eight countries on the reduction in silent health areas in 2016-2018 compared with 2019 (aggregated comparison).
| Country | Maximum number of silent wards in 2016-2018 | Number of silent wards in 2019 | Percentage reduction in silent wards in 2019 |
| Cameroon | 58 | 27 | 53% |
| Chad | 63 | 43 | 32% |
| Democratic Republic of Congo | 43 | 0 | 100% |
| Liberia | 1 | 0 | 100% |
| Niger | 19 | 10 | 47% |
| Sierra Leone | 40 | 25 | 38% |
| South Sudan | 12 | 5 | 58% |
| Nigeria | 145 | 49 | 66% |
| All AVADARa countries | 381 | 159 | 58% |
aAVADAR: Auto-Visual Acute Flaccid Paralysis Detection and Reporting.