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Quality assessment for RCT
| Vaccine | Author | Year of publication | Random sequence generation | Allocation concealment | Blinding of participants and personnel | Blinding of outcome assessment | Incomplete outcome data | Losses to follow-up/non-completers | Intention to treat analyses | Selective reporting | Similarity at baseline | Other bias |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Influenza | Phrommintikul et al | 2011 | + | ? | − | + | + | + | + | + | ? | + |
