Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 100%High 0 · 0%

Serious adverse eventso

ChAdOx1 – AstraZeneca + University of Oxford showed no clear difference in serious adverse eventso compared with placebo (moderate certainty).

1 finding from 1 review

Efficacy and safety of COVID‐19 vaccines 2022 · Cochrane Headline outcomes only
RR 0.88 [0.72, 1.07]
7 studies · 58182 participants
Moderate