Findings

What do systematic reviews say?

8 questions · 8 findings · 1 reviews

No studies found 2 · 25%GRADE not reported 0 · 0%Very low 0 · 0%Low 3 · 37.5%Moderate 1 · 12.5%High 2 · 25%

Confirmed SARS‐CoV‐2 infection

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
no estimate extracted
1 study · 25435 participants
High

Confirmed symptomatic COVID‐19b

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
no estimate extracted
1 study · 25463 participants
High

Severe or critical COVID‐19

The review found no eligible studies for this question.

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

All‐cause mortality

The review found no eligible studies for this question.

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Systemic reactogenicity events

BBIBP‐CorV – Sinopharm‐Beijing showed no clear difference in systemic reactogenicity eventse compared with placebo (moderate certainty).

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
RR 1.05 [0.86, 1.28]
3 studies · 27540 participants
Moderate

Any adverse eventh

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 26924 participants
Low

Serious adverse eventsk

BBIBP‐CorV – Sinopharm‐Beijing showed no clear difference in serious adverse eventsk compared with placebo (low certainty).

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
RR 0.76 [0.54, 1.06]
1 study · 26924 participants
Low

Local reactogenicity events

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 26924 participants
Low