Review links early respiratory infections with childhood wheeze and asthma
A broad evidence synthesis found respiratory associations, while pregnancy nutrition and early probiotic interventions had uncertain pooled results.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Early respiratory infections were associated with higher odds of later wheeze and asthma. The review also reported associations involving allergens, environmental exposures and infant clinical factors. Nutritional interventions during pregnancy and early probiotic approaches did not produce statistically clear pooled results. These patterns identify associations and uncertainty, without establishing a specific prevention strategy for children.
The abstract reports substantial differences between studies and evidence of publication bias for viral prophylaxis, respiratory infections and allergen exposure. Comparison groups and follow-up lengths are unspecified, limiting this abstract-based interpretation of the pooled categories.
A broad research question
This broad review combined different interventions and exposures across early life. Its reported odds ratios describe associations within pooled categories; they do not directly give an individual child's absolute chance of developing asthma.
Prevention categories need care
The category covering viral prophylaxis and maternal influenza vaccination favored fewer respiratory outcomes. Because the abstract groups interventions and endpoints together, it does not clarify which specific intervention or outcome explains that pooled result.
The original publication
The association between early-life respiratory infections and childhood asthma: a meta-analytic perspective.
Zhao R
Front Med (Lausanne) · 2026
- PubMed ID
- 41778038
- Record checked
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