An international research team reports that a single immune effector has a key role in the defense against influenza infection in mice and humans (Everitt AR et al. Nature. doi:10.1038/nature10921 [published online March 25, 2012]). A member of the interferon inducible transmembrane (IFITM) protein family, a group known to restrict the replication of multiple pathogenic viruses, IFITM3 acted as an essential barrier to influenza A virus infection in vivo and in vitro.
Hampton T. Flu Protector. JAMA. 2012;307(17):1790. doi:10.1001/jama.2012.3996
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