Comparison 2. Influenza immunity in vaccinated children receiving chemotherapy compared with vaccinated healthy children.

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 after last immunisation			Other data	No numeric data
2 Geometric mean titre (GMTs) pre‐ and post‐vaccination			Other data	No numeric data