Immunoglobulin A mediation of murine nasal anti-influenza virus immunity.

AUTOR(ES)
RESUMO

Most mice which have recovered from influenza virus infection are immune to reinfection with the same influenza virus. This immunity could be abrogated by the intranasal instillation of anti-immunoglobulin A (anti-IgA) but not of anti-IgG or anti-IgM antiserum. Thus, IgA is the major, if not the sole, mediator of nasal immunity to influenza virus in immunocompetent mice.

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