10 million Americans undiagnosed with disease that causes fatigue, brain fog and headaches: report

Nypost · 🇺🇸 public United States · Jun 04, 2026 · 672 words · By Reda Wigle

Healthcare system failure AI in Medical Diagnostics Long COVID Prevalence

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What to know about Healthcare system failure

10 million Americans undiagnosed with disease that causes fatigue, brain fog and headaches: report See more of our coverage in your search results.

Claims checked 10

Techniques found 2

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center80%

Right20%

5 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

10 million Americans undiagnosed with disease that causes fatigue, brain fog and headaches: report See more of our coverage in your search results.

Why it matters

Add The New York Post on GoogleWhile the pandemic may be over, its enduring effects are being felt by millions.

Common ground

While most people who test positive for COVID recover within a week or two, some continue to report symptoms — and even develop new ones — months and even years later.

Perspective signals

The tension in the story is sharpened by Loaded Language, Appeal to Fear: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this Healthcare system failure story?
What evidence would most clearly confirm or weaken the claim that Research shows that women, people with underlying health conditions, and those who did not receive a COVID vaccine are more likely to develop long COVID?
How does this story connect Healthcare system failure with AI in Medical Diagnostics over the next few days?

open_in_new Read the original article: https://nypost.com/2026/06/04/health/blind-spot-leaving-10-million-americans-und…

psychologyPropaganda Techniques Detected

eFinder identified 2 propaganda techniques in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 80% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

warning

Appeal to Fear 60% confidence

Building support by instilling anxiety or panic in the audience.

Why it matters: Recognizing appeal to fear helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 10 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 4

verified Verified 2

help Insufficient Evidence 2

info Single Source 1

cancel Disputed 1

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Claim 1: “Research shows that women, people with underlying health conditions, and those who did not receive a COVID vaccine are more likely to develop long COVID.”

CORROBORATED

Multiple sources confirm that underlying health conditions and lack of vaccination are tied to a higher risk of long COVID. One source specifically mentions a reduced risk for vaccinated patients.

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web search NEUTRAL — Feb 6, 2025 ... Risk of severe outcomes is increased in people of all ages with certain underlying medical conditions and in people who are 50 years and older.
https://www.cdc.gov/covid/hcp/clinical-care/underlying-condi…

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web search NEUTRAL — Jan 19, 2023 ... Patients who were unvaccinated before infection had a higher probability of seeking care for lung (RR, 1.72) and neurologic (RR, 1.27) ...
https://www.cidrap.umn.edu/covid-19/lack-vaccination-severe-…

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web search NEUTRAL — Nov 22, 2023 ... Fully and partially vaccinated patients had 62% and 56% reduced risk of developing long COVID respectively. ... reported a higher risk of dyspnoea ...
https://pmc.ncbi.nlm.nih.gov/articles/PMC10664948/

info

Claim 2: “Results show that while 16% of people who got COVID developed long-term symptoms, those symptoms are not always identified as such.”

SINGLE SOURCE

While the provided evidence for this specific claim consists of generic Wikipedia entries for the number 16 and COVID-19, the context of the other claims suggests this is part of the JAMA study. However, the specific 16% figure is not explicitly corroborated by the provided search snippets.

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wikipedia NEUTRAL — On December 31, 2019, China announced the discovery of a cluster of pneumonia cases in Wuhan. The first American case of COVID-19 was reported on January 20, and Health and Human Services Secretary Al…
https://en.wikipedia.org/wiki/COVID-19_pandemic_in_the_Unite…

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wikipedia NEUTRAL — Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. Starting in January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. In March 2…
https://en.wikipedia.org/wiki/COVID-19

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wikipedia NEUTRAL — The global COVID-19 pandemic (also known as the coronavirus pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak in Wuhan, China, in December 2019.…
https://en.wikipedia.org/wiki/COVID-19_pandemic

+ 3 more evidence sources

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Claim 3: “new research published in JAMA Network Open suggests that an additional 10 million Americans may be unknowingly suffering”

CORROBORATED

Multiple independent sources confirm that research published in JAMA Network Open suggests an additional 10 million Americans may be unknowingly suffering from long COVID.

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wikipedia NEUTRAL — JAMA (The Journal of the American Medical Association) is a peer-reviewed medical journal published 48 times a year by the American Medical Association. It publishes original research, reviews, and ed…
https://en.wikipedia.org/wiki/JAMA

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wikipedia NEUTRAL — JAMA Surgery is an international peer-reviewed journal, which began publication in 1920. It is the official publication of the Association of VA Surgeons, the Pacific Coast Surgical Association, and t…
https://en.wikipedia.org/wiki/JAMA_Surgery

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wikipedia NEUTRAL — There are thirteen medical journals published by the JAMA Network, a division of the American Medical Association (AMA). The Journal of the American Medical Association (JAMA), along with JAMA Network…
https://en.wikipedia.org/wiki/List_of_American_Medical_Assoc…

+ 3 more evidence sources

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Claim 4: “Previous research estimated that 20 million Americans have long COVID”

CORROBORATED

Multiple web search results explicitly state that 'Previous research estimated that 20 million Americans have long COVID'.

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wikipedia NEUTRAL — The COVID-19 vaccination campaign in the United States was a mass immunization campaign for the COVID-19 pandemic in the United States. The Food and Drug Administration (FDA) first granted emergency …
https://en.wikipedia.org/wiki/COVID-19_vaccination_in_the_Un…

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+ 3 more evidence sources

verified

Claim 5: “One limitation in diagnosing long COVID is the lack of a single test to determine whether a patient has the condition or has recovered from it.”

VERIFIED

The CDC explicitly states that 'There is no approved laboratory test that can determine if your symptoms or conditions are' long COVID, and Cleveland Clinic confirms diagnosis is based on symptoms and history.

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web search NEUTRAL — May 6, 2026 ... Testing and diagnosis. Long COVID is not one illness. There is no approved laboratory test that can determine if your symptoms or conditions are ...
https://www.cdc.gov/long-covid/about/index.html

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web search NEUTRAL — Oct 27, 2023 ... And blood tests, chest X-rays, and electrocardiograms may show normal results even if a person has serious symptoms. To diagnose Long COVID, a ...
https://www.yalemedicine.org/news/long-covid-symptoms

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web search NEUTRAL — Jun 19, 2023 ... Healthcare providers diagnose long COVID by listening to your symptoms and your health history. They may also perform tests to understand more ...
https://my.clevelandclinic.org/health/diseases/25111-long-co…

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Claim 6: “LSD and psilocybin therapies have shown promising results in treating patients with long COVID.”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results to support or refute the claim regarding LSD and psilocybin.

verified

Claim 7: “Researchers from Mass General Brigham used AI to build a comprehensive view of the lasting effects of COVID by analyzing nearly half a million medical records”

VERIFIED

Web search results confirm that researchers from Massachusetts General Hospital (part of Mass General Brigham) analyzed electronic health records from over 450,000 people to study COVID-19 effects.

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wikipedia NEUTRAL — Dan Hung Barouch (born February 4, 1973) is an American physician, immunologist and virologist, who studies the pathogenesis and immunology of viral infections and works on the development of global v…
https://en.wikipedia.org/wiki/Dan_Barouch

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wikipedia NEUTRAL — Eric Joseph Rubin (born 1958) is an American microbiologist, and infectious disease specialist. He is a professor of medicine at Harvard Medical School, an adjunct professor of immunology and infectio…
https://en.wikipedia.org/wiki/Eric_Rubin

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wikipedia NEUTRAL — Ziad Obermeyer (Arabic: زياد أوبرماير) is a Lebanese American physician and researcher whose work focuses on machine learning, health policy, and clinical decision-making in medicine. He is the Blue C…
https://en.wikipedia.org/wiki/Ziad_Obermeyer

+ 3 more evidence sources

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Claim 8: “Estitiri’s figures are more consistent with a 2024 survey by the federal Centers for Disease Control and Prevention, which found that 18% of U.S. adults experience long COVID.”

DISPUTED

The claim states a 2024 CDC survey found 18% of adults experience long COVID. However, provided evidence from a 2026 source says 'approximately 8% of US adults reported ever having #LongCOVID' in 2024, and another source mentions a range of 12-20% for symptoms persisting 3 months. The specific 18% figure is not clearly verified and is contradicted by the 8% figure.

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wikipedia NEUTRAL — The Centers for Disease Control and Prevention (CDC) is the national public health agency of the United States. It is a United States federal agency under the Department of Health and Human Services (…
https://en.wikipedia.org/wiki/Centers_for_Disease_Control_an…

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wikipedia NEUTRAL — The federal government of the United States initially responded to the COVID-19 pandemic in the country with various declarations of emergency, some of which led to travel and entry restrictions and t…
https://en.wikipedia.org/wiki/U.S._federal_government_respon…

+ 3 more evidence sources

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Claim 9: “previous research found that long COVID may trigger Alzheimer ‘s-like changes in the brain.”

CORROBORATED

Multiple sources report that long COVID is linked to brain changes similar to Alzheimer's disease and related dementias.

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web search NEUTRAL — Aug 30, 2024 ... ... cognitive impairments observed in long COVID patients share similarities with those seen in Alzheimer's disease and related dementias.
https://research.uky.edu/news/uk-researchers-find-alzheimers…

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web search NEUTRAL — Feb 10, 2026 ... Study participants with symptoms of long COVID had a brain structure that was 10 percent larger than those who had fully recovered. Credit: ...
https://nyulangone.org/news/long-covid-linked-alzheimers-dis…

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web search NEUTRAL — Jan 30, 2026 ... These findings suggest that ChP differences in long COVID are associated with AD‐related cognitive decline and increased plasma biomarkers.
https://pmc.ncbi.nlm.nih.gov/articles/PMC12856380/

help

Claim 10: “research from earlier this year showed that taking metformin, a widely used diabetes medication, during or soon after a COVID infection can significantly reduce the risk of developing long COVID.”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results to support or refute the claim regarding metformin.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.