AUTHOR=Smith Nicholas C. , Sinden Robert E. , Ramakrishnan Chandra TITLE=Editorial: Get Over the Gut: Apicomplexan Parasite Interaction, Survival and Stage Progression in Vertebrate and Invertebrate Digestive Tracts JOURNAL=Frontiers in Cellular and Infection Microbiology VOLUME=11 YEAR=2021 URL=https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2021.680555 DOI=10.3389/fcimb.2021.680555 ISSN=2235-2988