| Study | Reason for exclusion |
|---|---|
| Furumoto 2008 | Study examined the clinical efficacy of combined vaccination with 23‐valent pneumococcal vaccine and influenza vaccine (compared to influenza vaccine) against pneumonia and acute exacerbation of chronic lung diseases (CLD). |
| Hayden 1995 | Pilot study to determine whether the use of structured guidelines for which pulmonary disorders warrant influenza vaccination increases use of vaccinations |
| King 2005 | Observational study in adults with bronchiectasis |
| Lamotte 1981 | Non RCT in French (review article) |
| Michel 1975 | Study on children and adolescents with bronchiectasis using dietary supplements and anti‐bacterial vaccine |
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