Early-Life RSV Infections Linked to Higher Childhood Asthma Risk, Study Finds

Belgian researchers from VIB and Ghent University, in collaboration with Danish scientists, have identified a strong link between early-life respiratory syncytial virus (RSV) infections and an increased risk of developing childhood asthma. Their findings, published in *Science Immunology*, indicate that infants who contract RSV are more likely to develop asthma later in life, particularly if they have a family history of allergies or asthma. The study suggests that vaccinating newborns against RSV could potentially reduce the prevalence of asthma in children.

The research highlights the significant impact of RSV on respiratory health during infancy. The team found that early exposure to the virus may play a critical role in triggering asthma development, especially among genetically predisposed children. These findings underscore the potential benefits of preventive measures, such as RSV vaccination, to mitigate long-term respiratory conditions. The study provides new insights into how early viral infections influence immune responses and their connection to chronic diseases like asthma.

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Date: November 28, 2025

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