AUTHOR=Matos Olga , Xiao Lihua TITLE=Editorial: Recent Advances in the Controversial Human Pathogens Pneumocystis, Microsporidia and Blastocystis JOURNAL=Frontiers in Microbiology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2021.701879 DOI=10.3389/fmicb.2021.701879 ISSN=1664-302X