Comparison 5. Influenza vaccines versus placebo: randomised controlled trials ‐ live aerosol vaccine ‐ adverse events.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
5.1 General malaise	1	45	Risk Ratio (M‐H, Random, 95% CI)	3.09 [0.18, 53.20]
5.2 Fever	1	45	Risk Ratio (M‐H, Random, 95% CI)	1.71 [0.09, 33.24]
5.3 Upper respiratory tract symptoms	1	45	Risk Ratio (M‐H, Random, 95% CI)	1.62 [0.42, 6.29]
5.4 Lower respiratory tract symptoms	1	45	Risk Ratio (M‐H, Random, 95% CI)	2.91 [0.41, 20.48]