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    Long COVID

    Evidence-based explainers on Long COVID: microclots, spike persistence, immune changes, what testing can show and practical steps patients can take now.

    Start with these guides

    Thioflavin T fluorescence illustration showing amyloid deposits glowing, the kind of signal routine blood tests never look for
    Guide

    Does Long COVID Show Up on Blood Tests? What Normal Results Miss

    Why routine blood tests look normal in long COVID: amyloid fibrin microclots resist breakdown, spike forms amyloid fibrils, and panels miss both.

    Tim OttowitzOct 16, 2026
    7m
    AT
    Guide
    Review

    Microclots and Long COVID: A Plain-Language Guide to Amyloid Clots

    Microclots and Long COVID explained simply: what amyloid fibrin microclots are, how spike protein may be involved, what's proven and what's still open.

    Tim OttowitzApr 18, 2026
    7m
    AT
    Guide
    Review

    Living With Long COVID: A Practical Survival Guide for Right Now

    A practical guide to living with Long COVID: what's known, what isn't, how to pace and track symptoms, red flags, and how to get more from appointments.

    Tim OttowitzApr 18, 2026
    8m

    All long covid articles

    AT
    Guide
    Review

    Microclots Symptoms: Capillary Occlusion, Fatigue, and Dyspnea

    Understand key microclots symptoms in blood and tissue. Learn why capillary hypoperfusion causes fatigue, brain fog, and breathlessness with normal labs.

    Tim OttowitzOct 19, 2026
    6m
    Mexican clinical scientist operating a therapeutic plasmapheresis and blood filtration system in a specialized laboratory
    Guide

    Plasmapheresis and DFPP for Long COVID: Results From Japan and Germany

    What DFPP and plasmapheresis remove, results from Edogawa Hospital in Tokyo, Dresden and Charité, and how they map to amyloid microclot and spike research.

    Tim OttowitzOct 16, 2026
    7m
    Caucasian cellular pathologist examining tissue pathology and foam cell slides under a research microscope
    Research
    Preclinical

    SARS-CoV-2 Foam Cells: The 2025 Study on Lung Scarring and Clots

    A 2025 Nature Microbiology study found SARS-CoV-2 turns lung macrophages into foam cells tied to scarring and clots. What it shows and what it can't prove.

    Tim OttowitzOct 16, 2026
    8m
    Illustration of fibrin strands forming a clot, the target of anticoagulant and antiplatelet drugs
    Guide

    Triple Therapy for Long COVID: What It Is and What the Evidence Shows

    What triple anticoagulant therapy for long COVID involves, what the only published cohort found, why haematologists object, and the bleeding risks.

    Tim OttowitzOct 16, 2026
    5m
    Chart from microclot research comparing fibrin amyloid microclot levels in Long COVID patients and healthy controls
    Guide

    What Are Microclots? A Plain-Language Guide to Amyloid Microclots

    What microclots are, how fibrin folds into amyloid microclots that resist breakdown, the symptoms researchers link to them, and how they're tested.

    Tim OttowitzOct 15, 2026
    6m
    Caucasian clinical scientist reviewing cellular viral samples under a fluorescence research microscope
    Research
    Preclinical

    SARS-CoV-2 Cell-to-Cell Spread: Nanotubes, Syncytia and Vesicles

    How might SARS-CoV-2 spread from cell to cell without leaving? A simple guide to the nanotubes, fused cells and vesicles seen in a 2022 microscopy study.

    Tim OttowitzAug 31, 2026
    7m
    Diagram of normal blood clot formation: a damaged vessel, a platelet plug, then a fibrin mesh forming an insoluble clot
    Research
    Observational

    D-Dimer vs Microclot Test: Why a Normal D-Dimer Can Miss Microclots

    D-dimer vs microclot test compared: what each measures, why D-dimer can read normal in Long COVID, and how Thioflavin T microscopy finds fibrin amyloid.

    Tim OttowitzApr 20, 2026
    6m
    Microscope illustration of fibrin strands forming a clot
    Research
    Observational

    DNase and NET Clearance in Long COVID: Why Microclots May Persist

    COVID-19 can lower DNase, the enzymes that clear NETs. What the DNase research means for lingering microclots in Long COVID, and what's still unproven.

    Tim OttowitzApr 20, 2026
    9m
    Chart comparing microclot counts and NET marker levels in Long COVID patients and healthy controls
    Research
    Observational

    Neutrophil Extracellular Traps in Long COVID: The Microclot-NET Study

    A 2025 study found neutrophil extracellular traps tangled into microclots in Long COVID. What the paper measured, what it found, and what it can't prove.

    Tim OttowitzApr 19, 2026
    8m
    Illustration of red blood cells flowing through a blood vessel against a pale grid background
    Research
    Observational

    Amyloid Microclots: What the Research Shows So Far

    What studies show about amyloid microclots in Long COVID: how fibrin forms them, why they resist breakdown, the key findings and the open questions.

    Tim OttowitzApr 15, 2026
    6m
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