Early theories and steady hypotheses

Long Covid Awareness Day (15th March 2026) marks six years since the COVID-19 pandemic unleashed its long tail of Long Covid on millions around the world.

In this week’s episode Emily Kate Stephens and Gez Medinger review the science and progress that has been made over the past six years in our understanding of this complex chronic condition.

Through interviews with some of the most prominent experts in the Long Covid and complex chronic illness field: Dr Avindra Nath, Dr Binita Kane, Joseph Breen PhD, Professor Mark Faghy and Dr Alba Azola, Emily Kate and Gez examine the medical, scientific and political landscapes and ask:

• What have we learned over the last six years?
• What are the current leading theories on what drives the condition?
• What are the approved treatment strategies?
• What are the latest and most exciting scientific studies that could have impact for those living with the disease?

Including personal reflections as Emily Kate and Gez approach their six year anniversary of contracting COVID-19 for the first time, they provide an overview of the condition and research landscape to assess how far we have come and the work still to be done.

Avindra Nath is the Clinical Director of National Institute of Neurological Disorders and Stroke (NINDS) at the NIH in the United States. A neuroimmunologist specialising in the impact of viruses on the brain, he led the Deep Phenotyping of ME/CFS Study which investigated the biological mechanisms of post-infection ME/CFS and chronic fatigue syndrome.

Binita Kane is a Consultant Respiratory Physician and founder of The Long Covid Clinic. After working on the front line in the NHS during the COVID-19 pandemic and supporting her daughter through Long Covid, she became a leading advocate, collaborating with organisations including Long Covid Kids, Long Covid Support, and #ThereForME, and advising parliamentary committees.

Joseph Breen is Section Chief for Adaptive Immunity specialising in Long Covid and ME/CFS at the National Institute of Allergy and Infectious Diseases (NIAID) at the NIH. He co-chairs RECOVER TLC workshops and contributes to the Trans-NIH ME/CFS Working Group.

Mark Faghy is Professor of Clinical Exercise Physiology at Loughborough University, specialising in respiratory physiology, rehabilitation, and Long Covid recovery. He contributes to multiple global initiatives including the World Health Network Long Covid Advisory Group, Long Covid Physio, and Long Covid SOS.

Alba Azola is a rehabilitation physician at Johns Hopkins University and leads the ME/CFS and Related Disorders Program. She is also a lead author of the Multidisciplinary collaborative guidance on the assessment and treatment of patients with Long COVID, helping clinicians develop evidence-based care pathways.

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