Findings

What do systematic reviews say?

2 questions · 2 findings · 2 reviews · Pregnancy and Childbirth

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 50%Low 0 · 0%Moderate 1 · 50%High 0 · 0%

Death before 1 year of age · pregnant women

It is very uncertain whether respiratory syncytial virus vaccine changes infant death compared with placebo (very low certainty).

1 finding from 1 review

Respiratory syncytial virus vaccination during pregnancy for improving infant outcomes 2024 · Cochrane Headline outcomes only
RR 0.81 [0.36, 1.81]
6 studies · 17589 participants
Very low

Infant death (up to 175 days) · Pregnant women aged 18 to 38 years and an estimated gestation of 20 to 36 weeks.

Viral influenza vaccine showed no clear difference in infant death (up to 175 days) compared with control (moderate certainty).

1 finding from 1 review