Cancer drug protein target may also help fight influenza

A protein already targeted by FDA-approved cancer drugs may also help the body fight influenza, according to new research from The Jackson Laboratory (JAX). Published in Cell Reports, the study found that Programmed Death-Ligand 1 (PD-L1), a protein best known for helping tumors evade immune attack, instead helped immunocompromised mice clear flu-infected lung cells and survive infection.