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Scientists uncover shared biology behind profound fatigue in five major illnesses

A new study reveals striking biological similarities between five major illnesses, including long Covid and PTSD, suggesting common underlying mechanisms. Chronic fatigue syndrome, rheumatoid arthritis, and multiple sclerosis may be driven by shared regulatory networks in immune and metabolic systems.

SourceUniversity of East Anglia·JournalJournal of Translational Medicine·TypeComputational simulation/modeling·DateSep 2, 2026

ISB researchers identify immune cells that drive harmful autoantibody responses after COVID-19

Researchers have identified a subset of B cells known as atypical memory cells as the primary precursors of autoantibody-producing cells during SARS-CoV-2 infection. These cells adopt a markedly different biological program, leading to increased autoantibody production. The study provides new insight into how viral infections can trigg...

SourceInstitute for Systems Biology·JournalImmunity·DateAug 28, 2026

Antivaccine legislation is rising rapidly in US states, driven primarily by GOP push

A new study reveals that Republican lawmakers sponsored 86% of antivaccine bills introduced in state legislatures after the COVID-19 pandemic. Meanwhile, Democratic lawmakers supported provaccine bills, highlighting partisan polarization's impact on vaccine access and public health.

SourceBoston University School of Public Health·JournalAmerican Journal of Public Health·TypeObservational study·DateJul 17, 2026

A cohort study on traditional Chinese medicine syndrome differentiation-based treatment for post-COVID-19 syndrome

This cohort study found that TCM syndrome differentiation-based treatment improved clinical outcomes and reduced TCM symptom scores in patients with post-COVID-19 syndrome. The study showed favorable efficacy across subgroups, with a higher effective rate in the treatment group compared to the control group.

SourceXia & He Publishing Inc.·JournalFuture Integrative Medicine·DateJul 9, 2026

Eye problems after COVID-19 can now be explained

A study from Linköping University finds that mild COVID-19 can lead to long-term eye problems, including abnormal pupil function and strabismus, affecting daily life. Researchers developed a diagnostic model to detect these issues, which may lead to effective treatment.

SourceLinköping University·JournalNature Communications·TypeObservational study·DateJul 8, 2026

Long Covid rehab program helps with return to work and focus

A new clinical trial led by University College London researchers found that ten weeks of cognitive rehabilitation can help people with long Covid symptoms such as brain fog achieve their goals in returning to work and hobbies. The treatment yielded benefits that lasted for at least six months for most participants.

SourceUniversity College London·JournalJAMA Network Open·TypeRandomized controlled/clinical trial·DateJul 1, 2026

New study shows metformin given during acute COVID-19 infection reduced risk of clinician-diagnosed long COVID by 50%

A new study published in Clinical Infectious Diseases found that metformin reduced the risk of clinician-diagnosed long COVID by 50% when administered during acute COVID-19 infection. The study, which enrolled nearly 3,000 adults, showed improved long-term outcomes and no safety concerns.

SourceUniversity of Minnesota Medical School·JournalClinical Infectious Diseases·TypeRandomized controlled/clinical trial·DateJun 11, 2026

Mount Sinai scientists validate a link between autoimmunity in a subset of people with long COVID

Researchers at Mount Sinai have found that autoimmunity is responsible for the symptoms of long COVID in a subset of people. The study suggests that therapies already validated for managing autoimmunity, such as IVIG and FcRn inhibitors, could be effective in reducing symptom burden.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalCell·TypeRandomized controlled/clinical trial·DateMay 28, 2026

Did heart health impact the risk of severe COVID-19 infection during the pandemic?

A new study published in the Journal of the American Heart Association found that adults with better Life's Essential 8 scores had lower odds of becoming severely ill or dying from COVID-19. The research suggests that having a healthy heart helps prepare the body for real-life stress tests, such as infectious diseases like COVID-19.

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateMay 27, 2026

Mayo Clinic study details set of options family medicine physicians may consider to treat ME/CFS and long covid

A Mayo Clinic study analyzed records of 571 adults with ME/CFS and found that family medicine physicians often prescribed common pain-relievers and sleep aids before specialist consultation. The study suggests that these medications may be underutilized for treating core symptoms of ME/CFS, such as fatigue and brain fog.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMay 26, 2026

Interdisciplinary care is a promising approach for pediatric patients with long-COVID

A new study found that pediatric patients with long-COVID experience a high symptom burden, including sleep disturbance, anxiety, depression, and fatigue. The study describes an interdisciplinary care approach that incorporates integrative medicine, nutrition, and lifestyle modifications to manage symptoms.

SourceUniversity Hospitals Cleveland Medical Center·JournalOpen Forum Infectious Diseases·DateApr 20, 2026

New estimates of uncounted COVID-19 deaths reveal critical gaps in US death investigation system

A new study found that over 155,000 US deaths between March 2020 and December 2021 were not officially recorded as COVID-19 deaths, highlighting critical gaps in the death investigation system. These unrecognized deaths disproportionately affected certain populations, including racial and ethnic minorities.

SourceBoston University School of Public Health·JournalScience Advances·TypeComputational simulation/modeling·DateMar 19, 2026

Trial finds vitamin D supplements don’t reduce covid severity but could reduce long COVID risk

A large randomized trial found that high-dose vitamin D3 did not reduce COVID-19 infection severity, but may impact long COVID outcomes. Researchers observed a promising signal that vitamin D supplementation could reduce long COVID symptoms, warranting further research in larger populations.

SourceMass General Brigham·JournalJournal of Nutrition·TypeRandomized controlled/clinical trial·DateMar 12, 2026

New insights aided recovery from persistent fatigue

A new study from Linköping University has identified common steps and turning points in patients' stories, contributing to new ways of understanding and rehabilitating conditions like post-COVID-19 condition, exhaustion disorder, and chronic fatigue syndrome. Participants described seeking knowledge outside the healthcare system and fi...

SourceLinköping University·JournalScandinavian Journal of Primary Health Care·DateMar 10, 2026

Tracker to help manage Long COVID energy levels created by researchers

A team of researchers at Lancaster University has created a digital platform called 'Pace Me' to help people with Long COVID manage their energy levels. The study, published in Nature Communications, found that the intervention was safe and well-received, but did not outperform standard care in reducing symptoms.

SourceLancaster University·JournalNature Communications·TypeRandomized controlled/clinical trial·DateFeb 2, 2026

COVID-19 viral fragments shown to target and kill specific immune cells in UCLA-led study

A recent study by a UCLA-led team reveals that leftover COVID-19 viral fragments can selectively accumulate on and penetrate star-shaped surfaces of dendritic cells and T cells, killing these immune cells. In contrast, the omicron variant's smaller fragments have little effect on these cells.

SourceCalifornia NanoSystems Institute·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJan 27, 2026

Who is more likely to get long COVID?

Researchers have identified 32 causal genes that increase the likelihood of developing long COVID, including 13 new genes not previously associated with the disease. The study's findings could lead to more precise diagnoses and treatment options for the condition, which affects an estimated 400 million people worldwide.

SourceUniversity of South Australia·JournalPLOS Computational Biology·TypeData/statistical analysis·DateDec 15, 2025

Study reveals insights into long COVID trajectories in adults

Researchers identified eight different long COVID trajectories, depending on severity and duration of symptoms, in a study of over 3,500 adult participants. The study found that 10.3% of patients had long COVID symptoms three months after infection, with 81% continuing to experience persistent or intermittent symptoms a year later.

SourceBrigham and Women's Hospital·JournalNature Communications·TypeData/statistical analysis·DateNov 17, 2025

A vascular mechanism may explain the persistence of COVID-19 symptoms and their greater impact, especially in women

A study published in BMC Medicine reveals that vascular dysfunction is a key mechanism in long COVID, especially in postmenopausal women. The researchers identified the VEGFA protein as a central element in this process, highlighting its role in blood vessel formation and vascular function.

SourceGermans Trias i Pujol Research Institute·JournalBMC Medicine·TypeData/statistical analysis·DateOct 13, 2025

POTS common in patients with long COVID

A new study from Karolinska Institutet reveals that postural orthostatic tachycardia syndrome (POTS) affects nearly a third of patients with severe long COVID, with middle-aged women being the most common demographic. Researchers emphasize that POTS can be detected with simple tests and treated to alleviate symptoms.

SourceKarolinska Institutet·JournalCirculation Arrhythmia and Electrophysiology·TypeObservational study·DateOct 3, 2025

Menstrual cycle and long COVID: A relation confirmed

Research confirms bidirectional relationship between long COVID and menstrual disorders, with symptoms intensifying during perimenstrual phases. The study suggests an inflammatory reaction as the underlying cause, paving the way for new therapeutic prospects tailored to women.

SourceCNRS·JournalNature Communications·DateSep 18, 2025

Major new report sets out how to tackle the ‘profound and lasting impact’ of COVID-19 on cardiovascular health

A major report published by the European Society of Cardiology outlines expert recommendations for diagnosing, treating, and preventing COVID-19-related cardiovascular effects. The report emphasizes the importance of vaccination, cardiac rehabilitation programs, and equal access to services.

SourceEuropean Society of Cardiology·JournalEuropean Journal of Preventive Cardiology·DateSep 17, 2025