Intervention not reported
Self‐controlled case series ‐ pneumonia ‐ pneumonia risk period (0 to 90 days) · children 9 months to 15 years old
The intervention showed no clear difference in self‐controlled case series ‐ pneumonia ‐ pneumonia risk period (0… (low certainty).
1 finding from 1 review
Intervention not reported
Self‐controlled case series ‐ miscellaneous viral infections ‐ miscellaneous viral infections risk period (0 to 90 days) · children 9 months to 15 years old
The intervention showed no clear difference in self‐controlled case series ‐ miscellaneous viral infections ‐… (low certainty).
1 finding from 1 review
Intervention not reported
Cohort studies ‐ Urabe strain ‐ unspecified numbers or at least 1 dose · children 9 months to 15 years old
The intervention may leads to lower cohort studies ‐ Urabe strain ‐ unspecified numbers or at least 1 dose (low certainty).
1 finding from 1 review
Intervention not reported
Cohort studies ‐ Rubini strain ‐ unspecified numbers or at least 1 dose · children 9 months to 15 years old
The intervention showed no clear difference in cohort studies ‐ Rubini strain ‐ unspecified numbers or at least 1… (low certainty).
1 finding from 1 review
Intervention not reported
Cohort studies ‐ mumps strain not reported or any strain · children 9 months to 15 years old
The intervention may leads to lower cohort studies ‐ mumps strain not reported or any strain (low certainty).
1 finding from 1 review
Intervention not reported
Cohort studies ‐ third dose versus 2 doses · children 9 months to 15 years old
The intervention showed no clear difference in cohort studies ‐ third dose versus 2 doses (low certainty).
1 finding from 1 review
Intervention not reported
Cohort studies secondary cases ‐ any strain · children 9 months to 15 years old
The intervention probably leads to lower cohort studies secondary cases ‐ any strain (moderate certainty).
1 finding from 1 review
Intervention not reported
MMRV randomised controlled trial ‐ any severity ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMRV randomised controlled trial ‐ any severity ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMRV randomised controlled trial ‐ any severity ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMRV randomised controlled trial ‐ any severity ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMRV randomised controlled trial ‐ any severity ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMRV randomised controlled trial ‐ any severity ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMRV randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMRV randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
Cohort studies ‐ 2 doses · children 9 months to 15 years old
The intervention probably leads to lower cohort studies ‐ 2 doses (moderate certainty).
1 finding from 1 review
Intervention not reported
MMRV randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMRV randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMRV randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMRV randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMR+V randomised controlled trial ‐ any severity ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMR+V randomised controlled trial ‐ any severity ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMR+V randomised controlled trial ‐ any severity ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMR+V randomised controlled trial ‐ any severity ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMR+V randomised controlled trial ‐ any severity ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMR+V randomised controlled trial ‐ any severity ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMR+V randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMR+V randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMR+V randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMR+V randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ (high certainty).
1 finding from 1 review
Intervention not reported
MMR+V randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ · children 9 months to 15 years old
The intervention leads to lower MMR+V randomised controlled trial ‐ moderate/severe cases ‐ 2 doses ‐ (high certainty).
1 finding from 1 review