Table 1. Objectives and study population of eligible studies.
| n | %a | |
|---|---|---|
| Total number of studies | 73 | 100 |
| Zika-related phenomenon forecasted or predictedb | ||
| Predicted microcephaly burdens | 11 | 15 |
| Guillain-Barré syndrome burden | 3 | 4 |
| Epidemic peak size | 4 | 5 |
| Epidemic peak timing | 4 | 5 |
| Epidemic curve trajectory | 8 | 11 |
| Epidemic final size | 5 | 7 |
| Spatial spread | 25 | 34 |
| Force of infection | 7 | 10 |
| Cost-effectiveness | 2 | 3 |
| Intervention impact | 3 | 4 |
| Case fatality ratio | 0 | 0 |
| Ro or REc | 21 | 29 |
| Sexual transmission risk | 3 | 4 |
| Vector competence / ecology | 9 | 12 |
| Otherd | 2 | 3 |
| Geographic region in which predictions madee | ||
| Africa | 3 | 4 |
| Americas (excluding Continental USA) | 31 | 42 |
| Asia–Pacific | 15 | 21 |
| Continental USA | 7 | 10 |
| Europe | 4 | 5 |
| Global | 18 | 24 |
aDenominator excludes those studies where unable or no basis to judge
bSome studies predicted more than one phenomenon
cIncluded estimates of R0
dEcological determinants of vector minimum abundance rate (n = 1); epidemic size and number of infections at time of first microcephaly case detected (n = 1)
eSome studies included >1 geographic category