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Effect of Breastfeeding on the Course of Respiratory Syncytial Virus Infection in Infants: A Single-Center

Anna Maćkowska1, Jakub Nowicki1, Elżbieta Jakubowska-Pietkiewicz1

  • 1Department of Pediatrics, Newborn Pathology and Bone Metabolic Diseases, University of Lodz, 91-738 Lodz, Poland.

Pediatric Reports
|October 28, 2025
PubMed

Insights

Breastfeeding may reduce the severity and hospitalization duration for respiratory syncytial virus (RSV) infections in infants. Breastfed infants experienced shorter hospital stays compared to those receiving formula milk.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Neonatal Care

Background:

  • Respiratory syncytial virus (RSV) is a primary cause of respiratory infections in infants.
  • Understanding factors influencing RSV severity is crucial for neonatal and pediatric care.

Purpose of the Study:

  • To investigate the impact of breastfeeding versus formula feeding on RSV infection outcomes in newborns and infants.
  • To compare hospitalization duration and potential severity differences between feeding groups.

Main Methods:

  • A cohort of 51 infants hospitalized with RSV infection was analyzed.
  • Infants were categorized into two groups based on feeding: breast milk or formula milk.
  • Statistical analysis, including multivariate linear regression, was employed.

Main Results:

  • Breastfed infants had significantly shorter hospitalizations (8 days) compared to formula-fed infants (11 days).
  • Formula feeding was associated with an average increase of 1.7 days in hospital stay.
  • Statistical significance was observed (p < 0.05).

Conclusions:

  • Breastfeeding appears to mitigate the risk and severity of RSV infections in infants.
  • Exclusive breastfeeding may lead to improved clinical outcomes and reduced healthcare resource utilization for RSV.

Keywords:
RSVbreastfeedingfeedinginfantsrespiratory syncytial virus

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