AUTHOR=Phetsouphanh Chansavath , Pillai Shiv , Zaunders John J. TITLE=Editorial: Cytotoxic CD4+ T Cells in Viral Infections JOURNAL=Frontiers in Immunology VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2017.01729 DOI=10.3389/fimmu.2017.01729 ISSN=1664-3224