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RSV prevention in newborns could cut asthma risk

Scientists found that RSV infection early in life can set the stage for childhood asthma, particularly in kids already genetically prone to allergies. The virus appears to skew the developing immune system toward exaggerated responses to everyday allergens. But when newborns were protected from RSV, asthma development was prevented. The results point to a powerful added benefit of RSV prevention tools now being rolled out globally.

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