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flag Study finds dermcidin protein blocks flu virus entry.

flag A new study suggests a protein called dermcidin, found in sweat and saliva, helps explain why some people never get the flu. flag Researchers found this natural peptide blocks the virus by binding to a key protein, preventing it from entering cells. flag Asymptomatic individuals had about six times higher levels of dermcidin, suggesting it may offer broad protection against flu strains and other respiratory viruses.

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