AUTHOR=Rossi Omar , Mastroeni Pietro TITLE=Editorial: Pattern recognition receptors at the crosstalk between innate and adaptive immune systems and implications for vaccine development JOURNAL=Frontiers in Cellular and Infection Microbiology VOLUME=12 YEAR=2022 URL=https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2022.1088029 DOI=10.3389/fcimb.2022.1088029 ISSN=2235-2988