Archive · 5 Jun 2025
Baby's Gut Bacteria Linked to Reduced Viral Infections
Scientists have discovered that the mix of bacteria in a baby's gut soon after birth might help protect them from getting sick with viral infections later on.
This study found that babies born vaginally with certain "pioneer" bacteria, like Bifidobacterium longum, were less likely to be hospitalized with respiratory infections.
These good bacteria are often picked up during vaginal birth.
The study also considered breastfeeding, formula, and antibiotic use.
More research is needed to prove the direct link, but the findings open doors for new ways to prevent these infections, possibly through probiotic supplements.
This research highlights the importance of early gut health for immune system development.
Research suggests that a baby's gut bacteria in the first week of life can lower chances of respiratory infections.
Babies born vaginally, with specific bacteria such as Bifidobacterium longum, showed lower infection risks.
Birth method influences the type of bacteria in a baby's gut.
The study also looked at breastfeeding, formula, and antibiotic use.
Findings may lead to new methods to prevent serious viral infections in children, possibly through probiotics.
- Who
- Scientists at the Wellcome Sanger Institute and University College London (UCL).
- What
- Gut bacteria in newborns may protect against viral infections.
- When
- During the first week of a baby's life.
- Where
- United Kingdom
- Why
- To reduce hospitalizations from viral respiratory infections in young children.
- Research Institutions
- Wellcome Sanger Institute and UCL
- Newborns Sampled
- Over 1,000
- Birth Method
- Vaginal birth
- Key Bacteria
- Bifidobacterium longum
- Health Issue
- Viral respiratory infections
- Age Range
- First two years of life