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flag Early RSV infection raises asthma risk in infants, especially with allergy history; prevention may reduce cases.

flag A new study in Science Immunology links early RSV infection in infants to a higher risk of childhood asthma, especially in those with a family history of allergies. flag Researchers found that RSV and inherited genetic risk together trigger harmful immune changes, increasing sensitivity to allergens. flag Protecting babies through maternal vaccination or newborn antibody treatments prevented these immune shifts, suggesting RSV prevention could reduce asthma rates. flag Experts urge wider use of available measures to improve long-term respiratory health.

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