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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Number of participants with four‐fold rise in antibody titre 4 weeks after last immunisation | Other data | No numeric data | ||
| 2 Number of participants achieving protective titre post‐vaccination (> 40) after immunisation | Other data | No numeric data |
