• Anurag Adhikari, Janesha Maddumage, Emily M Eriksson, Sarah J Annesley, Victoria A Lawson, Vanessa L Bryant, and Stephanie Gras.
• La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC.
• Med. J. Aust. 2024 Nov 4; 221 Suppl 9: S40S48S40-S48.

AbstractImmune dysregulation is a key aspect of post-acute sequelae of coronavirus disease 2019 (PASC), also known as long COVID, with sustained activation of immune cells, T cell exhaustion, skewed B cell profiles, and disrupted immune communication thereby resulting in autoimmune-related complications. The gut is emerging as a critical link between microbiota, metabolism and overall dysfunction, potentially sharing similarities with other chronic fatigue conditions and PASC. Immunothrombosis and neurological signalling dysfunction emphasise the complex interplay between the immune system, blood clotting, and the central nervous system in the context of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Clear research gaps in the design of PASC studies, especially in the context of longitudinal research, stand out as significant areas of concern.© 2024 The Author(s). Medical Journal of Australia published by John Wiley & Sons Australia, Ltd on behalf of AMPCo Pty Ltd.

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