AUTHOR=Hu Wan-Chung TITLE=A Framework of All Discovered Immunological Pathways and Their Roles for Four Specific Types of Pathogens and Hypersensitivities JOURNAL=Frontiers in Immunology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2020.01992 DOI=10.3389/fimmu.2020.01992 ISSN=1664-3224