Lost microbes of COVID-19: Bifidobacterium , Faecalibacterium depletion and decreased microbiome diversity associated with SARS-CoV-2 infection severity.
Sabine HazanNeil StollmanHuseyin S BozkurtSonya DaveAndreas J PapoutsisJordan DanielsBrad D BarrowsEamonn M M QuigleyThomas J BorodyPublished in: BMJ open gastroenterology (2022)
NCT04031469 (PCR-) and 04359836 (PCR+).