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
Local reactogenicity events
ChAdOx1 – AstraZeneca + University of Oxford probably leads to higher local reactogenicity eventsi compared with placebo (moderate certainty).
1 finding from 1 review
Confirmed SARS‐CoV‐2 infection
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Confirmed symptomatic COVID‐19b
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Severe or critical COVID‐19
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
All‐cause mortalityÂ
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Systemic reactogenicity events
SII‐ChAdOx1 – Serum Institute of India/AstraZeneca + University of… probably leads to lower systemic reactogenicity eventsb compared with chAdOx1 – University of Oxford (moderate certainty).
1 finding from 1 review
Any adverse evente
SII‐ChAdOx1 – Serum Institute of India/AstraZeneca + University of… showed no clear difference in any adverse evente compared with chAdOx1 – University of Oxford (low certainty).
1 finding from 1 review
Serious adverse eventsg
SII‐ChAdOx1 – Serum Institute of India/AstraZeneca + University of… showed no clear difference in serious adverse eventsg compared with chAdOx1 – University of Oxford (low certainty).
1 finding from 1 review
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
Local reactogenicity events
SII‐ChAdOx1 – Serum Institute of India/AstraZeneca + University of… showed no clear difference in local reactogenicity eventsb compared with chAdOx1 – University of Oxford (low certainty).
1 finding from 1 review
Confirmed SARS‐CoV‐2 infection
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Confirmed symptomatic COVID‐19b
1 finding from 1 review
Severe or critical COVID‐19
1 finding from 1 review
All‐cause mortalityb
AD26.COV2.S – Janssen Pharmaceutical Companies leads to lower all‐cause mortalityb compared with placebo (high certainty).
1 finding from 1 review
Serious adverse eventsb
AD26.COV2.S – Janssen Pharmaceutical Companies showed no clear difference in serious adverse eventsb compared with placebo (moderate certainty).
1 finding from 1 review
Systemic reactogenicity events
AD26.COV2.S – Janssen Pharmaceutical Companies leads to higher systemic reactogenicity eventse compared with placebo (high certainty).
1 finding from 1 review
Any adverse eventh
1 finding from 1 review
Confirmed SARS‐CoV‐2 infection
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Confirmed symptomatic COVID‐19b
1 finding from 1 review