AUTHOR=Vajdy Michael TITLE=Editorial: Induction and Maintenance of Long-Term Immunological Memory Following Infection or Vaccination JOURNAL=Frontiers in Immunology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2019.02658 DOI=10.3389/fimmu.2019.02658 ISSN=1664-3224