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The short version: yes, this is a real group, and the data here shows it clearly. People who were never hospitalized can stay sick for a year or more while still walking around and holding a job.

The cleanest evidence is a cohort of 125 non-hospitalized survivors compared with 347 controls [1]. At more than 12 months, they still had higher rates of depression, cognitive deficit, tics, and impaired quality of life than people who never had COVID [1]. PTSD and anxiety were still elevated at 6 to 12 months and beyond [1]. That is the "full functioning yet sick" picture in numbers: no hospital bed, but measurable deficits a year out.

Symptom, non-hospitalized, >12 monthsvs. never-infected
PTSD~4x odds [1]
Cognitive deficit~3.6x odds [1]
Depression~4.1x odds [1]
Tics~4.9x odds [1]

Two honest limits. This is a single-center retrospective study, and the time comparisons are different people at different points, not the same person followed forward [1]. So the trend is suggestive, not proven. Separately, a cohort of 1,234 adults still sick at 3 months found 41.3% recovered by 6 months, but among those still sick the symptom count barely moved, 7.2 to 7.1 [2]. That flat line is the "functioning but not recovering" group.

My call: non-hospitalized persistent illness past a year is real and shows up as cognitive and mood deficits, not just fatigue. Confidence: moderate on the association, low on the exact proportion who stay sick that long.

Keep digging

Sources used 2

  1. New symptoms and prevalence of postacute COVID-19 syndrome among nonhospitalized COVID-19 survivors Scientific Reports (2022) primary study Strong

    In nonhospitalized COVID-19 survivors, PTSD, anxiety, depression, cognitive deficit, and tics were more prevalent than in controls, with some symptoms peaking at 6-12 months; vaccination was associated with lower cognitive deficit and quality-of-life impairment.

    DOI: 10.1038/s41598-022-21289-y
  2. Factors associated with persistence or recovery from long COVID 6 months post-SARS-CoV-2 infection Epidemiology and Infection (2025) Thin

    In a prospective cohort of 1,234 adults with long COVID 3 months post-Omicron infection in Western Australia, 58.7% had persistent symptoms at 6 months; pre-existing health conditions, 6+ symptoms at 3 months, and fatigue/dyspnoea/cough predicted persistence, while age, sex, and…

    DOI: 10.1017/s0950268825100551

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