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Igor Koralnik, MD

@igorkoralnik.bsky.social
26 followers 1 following 22 posts

Neuro-Infectious Diseases Doctor

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Igor Koralnik, MD @igorkoralnik.bsky.social · 29/07/2026
www.wbez.org/in-the-loop-... Thank you to WBEZChicago for inviting me to talk about our latest study showing that neurologic manifestations of Long COVID affects women more severely than men, and for also including a clinic patient and a patient activist in the discussion. @nmneurology.bsky.social
wbez.org
New research aims to break the ‘silent epidemic’ of Long COVID
Research out of Northwestern University shows that women with Long COVID have more intense neurological symptoms than men.
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Igor Koralnik, MD @igorkoralnik.bsky.social · 26/07/2026
Congratulations to our former Neuroimmunology fellow and now Neurology attending Dr. Hannah Kopinsky for her publication showing that Neurologic manifestations of Long COVID affect adult females more severely than males. nmneurology.bsky.social onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Neurologic Manifestations of Long <fc>COVID</fc> Affect Adult Females More Severely Than Males
Objective To characterize differences in neurologic manifestations of postacute sequelae of SARS-CoV-2 infection (Neuro-PASC) between females and males. Methods Cross-sectional study of the first c...
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Igor Koralnik, MD @igorkoralnik.bsky.social · 23/03/2026
Congratulations to Northwestern PhD student Kaleigh Copenhaver for her in silico study showing that anti-Hepatitis C Virus medications should be effective against the related Human Pegivirus, which may be associated with Parkinson's Disease pubmed.ncbi.nlm.nih.gov/41754604/ @nmneurology.bsky.social
pubmed.ncbi.nlm.nih.gov
In Silico Characterization of Two Human Pegivirus Proteins Highlights Similarities with Hepatitis C Virus and Possible Therapeutic Repurposing - PubMed
Human Pegivirus (HPgV) is an understudied flavivirus that is highly prevalent and often persists in the blood and tissues of humans. HPgV-infected brain tissue from individuals with Parkinson's disease has shown significant transcriptomic and immune signaling differences compared to non-infected Par …
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Igor Koralnik, MD @igorkoralnik.bsky.social · 23/03/2026
Thank you @nmneurology.bsky.social for recording a "Breakthroughs" podcast on our Long COVID patient care and research in the US and abroad, and also for giving me the opportunity to discuss our research on the role of the Human Pegivirus in Parkinson's disease. www.youtube.com/watch?v=O3jP...
youtube.com
Decoding Long COVID's Impact on the Brain with Igor Koralnik, MD
YouTube video by Northwestern Univ. Feinberg School of Medicine
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Igor Koralnik, MD @igorkoralnik.bsky.social · 28/01/2026
Great teamwork with collaborators in Nigeria, Colombia and India showing important differences in the Neurologic manifestations of Long COVID across continents: congrats to all! @nmneurology.bsky.social @aanmember.bsky.social www.frontiersin.org/journals/hum...
frontiersin.org
Frontiers | A cross-continental comparative analysis of the neurological manifestations of Long COVID
ObjectiveTo compare demographics, comorbidities, neurologic symptoms, quality of life, and cognitive outcomes among adult individuals with neurologic manifes...
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Igor Koralnik, MD @igorkoralnik.bsky.social · 14/01/2026
Congratulations to Northwestern Medical Student Grace Lank for her publication in BMC Neurology about a novel symptom tracker App used to characterize Long COVID recovery patterns. @nmneurology.bsky.social @aanmember.bsky.social pubmed.ncbi.nlm.nih.gov/41521322/
pubmed.ncbi.nlm.nih.gov
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Igor Koralnik, MD @igorkoralnik.bsky.social · 30/11/2025
Congratulations to Dr. Anurag Singh and colleagues from NIMS University in Jaipur, Rajasthan, for their paper on Neuropsychiatric manifestations of Long COVID in India pubmed.ncbi.nlm.nih.gov/413123 @nmneurology.bsky.social @aanmember.bsky.social
pubmed.ncbi.nlm.nih.gov
Neuropsychiatric manifestations of Long COVID in India: a persistent problem 2.5 years after disease onset - PubMed
Our study highlights differences in demographics and clinical presentation of Long COVID between post-hospitalization and non-hospitalized individuals in India. The high frequency of neurologic manifestations 2.5 years after disease onset underscores the need for early detection and targeted interve …
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Igor Koralnik, MD @igorkoralnik.bsky.social · 15/10/2025
Congratulations to our collaborator Dr. Carolina Hurtado Montoya from CES University in Medellin, Colombia, for her podcast about her research on the neurologic manifestations of Long COVID and their treatment . A model for Latin America ! www.globalhealth.northwestern.edu/events/podca...
globalhealth.northwestern.edu
Long COVID Research in Latin America with Carolina Hurtado Montoya, MD, PhD
Creating an international research team, virtually, is a new path for many in global health and Carolina Hurtado Montoya, MD, PhD, is leading this charge in Latin America through long COVID research. ...
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Igor Koralnik, MD @igorkoralnik.bsky.social · 04/09/2025
Appreciation for @geroscience.bsky.social for publishing our editorial pubmed.ncbi.nlm.nih.gov/40875136/ where we highlight the plight of people affected by Long COVID and our efforts to care for them while researching the root cause of this syndrome @nmneurology.bsky.social
pubmed.ncbi.nlm.nih.gov
Five years later: no short answers for Long COVID - PubMed
Five years later: no short answers for Long COVID
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Igor Koralnik, MD @igorkoralnik.bsky.social · 21/07/2025
Nice job by the @chicagotribune.com for their article about our study on a potential viral link to Parkinson's Disease, led by Dr. Barbara Hanson in my lab. This opens a new field of investigation about the role of Human Pegivirus in this devastating disease. www.chicagotribune.com/2025/07/16/n...
chicagotribune.com
Northwestern Medicine research finding opens the door to a viral link to Parkinson’s disease
The usually harmless Human Pegivirus has been found in brain samples from Parkinson’s patients. Researchers say this is the first time it’s been found in brain tissue.
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Igor Koralnik, MD @igorkoralnik.bsky.social · 21/07/2025
Thank you to WGN-Radio for giving me the opportunity to discuss our findings of the Human Pegivirus in brains of patients with Parkinson's disease. wgnradio.com/health/dr-ig... @nmneurology.bsky.social
wgnradio.com
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Igor Koralnik, MD @igorkoralnik.bsky.social · 10/07/2025
Thank you to CBS News for inviting me to talk about our new study showing a potential role of the Human Pegivirus in Parkinson's Disease @nmneurology.bsky.social www.cbsnews.com/chicago/news...
cbsnews.com
A virus might trigger or contribute to Parkinson's disease, Northwestern Medicine researchers find
Parkinson's disease is a neurogenerative disease that affects more than 1 million people in the U.S. While some cases are caused by genetics, the cause is unknown in most.
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Igor Koralnik, MD @igorkoralnik.bsky.social · 10/07/2025
Nice job by NBC Chicago news team for their report about our study showing a potential virus link to Parkinson's Disease @nmneurology.bsky.social www.nbcchicago.com/news/local/g...
nbcchicago.com
Northwestern study finds potential virus link to Parkinson's disease
A groundbreaking new study out of Northwestern Medicine may offer new hope for the more than one million Americans living with Parkinson’s disease.
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Igor Koralnik, MD @igorkoralnik.bsky.social · 10/07/2025
Kudos to WGN TV for their report on our study published in JCI Insight showing that the Human Pegivirus may be associated with Parkinson's Disease @nmneurology.bsky.social wgntv.com/news/medical...
wgntv.com
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Igor Koralnik, MD @igorkoralnik.bsky.social · 10/07/2025
Thank you to ABC 7 for inviting me today to talk about our study on the Human Pegivirus in Parkinson's Disease abc7chicago.com/post/human-p... @nmneurology.bsky.social
abc7chicago.com
Common virus could trigger Parkinson's disease, research team at Northwestern Medicine says
Groundbreaking new research released from Northwestern Medicine discovered that a usually harmless virus in the blood, may be triggering Parkinson's disease.
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Igor Koralnik, MD @igorkoralnik.bsky.social · 10/07/2025
Congratulations to Barbara Hanson PhD, for her publication in JCI Insight. This is the result of years of hard work during her thesis and post-doctoral fellowship, which opens a new field of investigation in Parkinson's Disease research pubmed.ncbi.nlm.nih.gov/40626361/ @nmneurology.bsky.social
pubmed.ncbi.nlm.nih.gov
Human pegivirus alters brain and blood immune and transcriptomic profiles of patients with Parkinson's disease - PubMed
Parkinson's disease (PD) is a neurodegenerative disorder with both genetic and environmental factors contributing to pathogenesis. Viral infections are potential environmental triggers that influence ...
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Igor Koralnik, MD @igorkoralnik.bsky.social · 26/06/2025
Congrats to Northwestern medical school student Tali Sorets for her paper : “Beyond mood screening: a pilot study of emotional, cognitive, and somatic concerns in patients with Long COVID” which just came out in Frontiers in Psychology www.frontiersin.org/journals/psy... @nmneurology.bsky.social
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Igor Koralnik, MD @igorkoralnik.bsky.social · 23/06/2025
Congratulations to our collaborators Drs. Iorhen Akase, Njideka Okubadejo and their entire team at Lagos University Teaching Hospital in Nigeria for their publication in the West African Journal of Medicine pubmed.ncbi.nlm.nih.gov/40544471/ @nmneurology.bsky.social
pubmed.ncbi.nlm.nih.gov
A Social Media Survey on the Prevalence of Post-COVID Neurologic Complications Among Nigerians - PubMed
Despite low testing rates in Nigeria, the prevalence of post-COVID neurologic complications is approximately 1 in 4 individuals. Further studies on the prognosis and management of post-COVID neurologi...
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Igor Koralnik, MD @igorkoralnik.bsky.social · 05/06/2025
Thank you to "Conversations on Health Care" for giving me the opportunity to talk about the Neurologic manifestations of Long COVID which affect millions of people in the US, and the importance of continuing Long COVID research. www.youtube.com/watch?v=9xyR... @nmneurology.bsky.social
youtube.com
400 Million+ People Globally With Long COVID: A Top Researcher Seeks Solutions
YouTube video by Conversations on Health Care
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Igor Koralnik, MD @igorkoralnik.bsky.social · 18/04/2025
Interesting article in @dailymail.co.uk warning about risk of persistent cognitive dysfunction in people with Long COVID. www.dailymail.co.uk/health/artic... @nmneurology.bsky.social
dailymail.co.uk
Expert warns common virus dramatically raises risk of early dementia
A virus that has infected about two thirds of Britons, and millions more worldwide, could increase the risk of developing the memory robbing disorder dementia earlier, scientists warn.
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Igor Koralnik, MD @igorkoralnik.bsky.social · 18/04/2025
Kudos to the Neuro residents, Psych and PM&R rotators and APRN on the general Neurology Consult team @nmneurology.bsky.social for a strong and efficient work today!
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Igor Koralnik, MD @igorkoralnik.bsky.social · 17/04/2025
Timely article in @wsj.com today about the persistence of cognitive difficulties affecting many people with #LongCOVID. www.wsj.com/health/welln... @nmneurology.bsky.social
wsj.com
Is Covid Rewriting the Rules of Aging? Brain Decline Alarms Doctors
Millions of long-Covid patients continue to struggle with cognitive difficulties.
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