From: Establishing seasonal and alert influenza thresholds in Morocco
Estimators used | Analysis method | ||
---|---|---|---|
WHO | MEM | MEM | |
Type of data used | Weekly proportion of ILI patients among all outpatients | Weekly proportion of ILI patients among all outpatients | Estimated weekly proportion of confirmed ILI patientsa among all outpatients |
Number of seasons analyzed | 11 | 11 | 3 |
Average epidemic start week | 46b | 49 | 50 |
Average peak week of the seasons 43 to 46 | 3 | 3 | 3 |
Average epidemic length (in weeks) | 24 | 14 | 15 |
Epidemic percentagec | 38.06% | 45.62% | 95.41% |
Seasonal (WHO) or pre-epidemic threshold (MEM) | 0.90% | 1.51% | 0.03% |
Intensity thresholds | |||
 Moderate/medium thresholdd | 2.13% | 2.12% | 0.59% |
 High threshold | 2.77% | 2.81% | 1.5% |
 Very high threshold (extraordinary) | 3.06% | 3.19% | 2.05% |