Table 4.
Excluding statistics concerning database searching
| No. of exclusions | Percentage | Excluding criteria |
|---|---|---|
| 166 | 25.42% | Duplicate studies |
| 133 | 20.37% | Results and/or caveats in vaccine R&D for particular diseases |
| 129 | 19.75% | Does not address vaccine R&D models or frameworks |
| 121 | 18.53% | Not related to vaccine R&D |
| 41 | 6.28% | Policies/initiatives for combating outbreaks/pandemics |
| 20 | 3.06% | Funding policies/initiatives for vaccine R&D |
| 19 | 2.91% | Results and/or caveats in vaccination strategy |
| 18 | 2.76% | Paper not found |
| 5 | 0.77% | Policies/initiatives for introducing vaccines in developing countries |
| 1 | 0.15% | Vaccine R&D fundamentals |
| 653 | 100.0% | Total |