Findings

What do systematic reviews say?

8 questions · 8 findings · 1 reviews

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

Confirmed SARS‐CoV‐2 infection

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

Confirmed symptomatic COVID‐19b

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 44077 participants
High

Severe or critical COVID‐19

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
no estimate extracted
1 study · 46077 participants
High

All‐cause mortalityg

BNT162b2 – Pfizer/BioNTech + Fosun Pharma showed no clear difference in all‐cause mortalityg compared with placebo (low certainty).

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
RR 1.07 [0.52, 2.22]
1 study · 43847 participants
Low

Systemic reactogenicity events

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

Any adverse eventi

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 46149 participants
Low

Serious adverse eventsi

BNT162b2 – Pfizer/BioNTech + Fosun Pharma showed no clear difference in serious adverse eventsi compared with placebo (low certainty).

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
RR 1.3 [0.55, 3.07]
2 studies · 46107 participants
Low

Local reactogenicity events

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