Outcome	No. of studies	No. of participants	Statistical method	Effect size	Vaccine efficacy (95% CI)
Confirmed SARS‐CoV‐2 infection after complete vaccination	N/A	N/A	N/A	N/A	N/A
Confirmed symptomatic COVID‐19 after complete vaccination	1	28,674	N/A	N/A	71.00% (58.90% to 79.10%)
Severe or critical COVID‐19 after complete vaccination	N/A	N/A	N/A	N/A	N/A
All‐cause mortality	1	28,674	Risk Ratio (M‐H, Random, 95% CI)	0.37 (0.17 to 0.80)	N/A
Serious adverse events	N/A	N/A	N/A	N/A	N/A
Systemic reactogenicity events	N/A	N/A	N/A	N/A	N/A
Any adverse event	N/A	N/A	N/A	N/A	N/A
Local reactogenicity events	N/A	N/A	N/A	N/A	N/A