Investigating the role of Human Herpesvirus 6B in Chronic Fatigue Syndrome

Human Herpesvirus 6B in Myalgic Encephalomyelitis / Chronic Fatigue Syndrome pathogenesis: temporal analysis of viral reactivation and immunity to elucidate cause vs effect

NIH-funded research London Sch/hygiene & Tropical Medicine · NIH-10903798

This study is looking at how a virus called Human Herpesvirus 6B might be linked to the symptoms of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) by collecting blood and saliva samples from people with ME/CFS, Long COVID, and healthy individuals to see how the virus affects the immune system over time.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionLondon Sch/hygiene & Tropical Medicine NIH-funded
Lab location1 site (London, United Kingdom)
Project IDNIH-10903798 on NIH RePORTER

What this research studies

This research focuses on understanding how Human Herpesvirus 6B may contribute to the symptoms of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS). By analyzing blood and saliva samples from a diverse group of participants, including those with ME/CFS, Long COVID, and healthy controls, the study aims to determine whether viral reactivation is a cause or a consequence of immune system dysfunction. Participants will undergo clinical assessments and provide biosamples over a longitudinal period to track changes and associations related to the virus. The research seeks to clarify the relationship between viral activity and the severity of ME/CFS symptoms.

Who could benefit from this research

Good fit: Ideal candidates include individuals aged 18-60 with a diagnosis of ME/CFS or Long COVID presenting ME/CFS symptoms.

Not a fit: Patients who do not have ME/CFS, Long COVID, or related symptoms may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better understanding and potentially new treatment options for patients suffering from ME/CFS and related conditions.

How similar studies have performed: Previous research has shown promising results in understanding viral contributions to chronic illnesses, suggesting potential for success in this area.

Where this research is happening

London, United Kingdom

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Bacterial Infections
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.