ArticleClinical infectious diseases : an official publication of the Infectious Diseases Society of America2025
The Effect of SARS-CoV-2 Reinfection on Long-Term Symptoms in the Innovative Support for Patients With SARS-CoV-2 Infections Registry (INSPIRE).
Article in Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Comparison of new and recurring post-acute infection syndrome - results from a German population-based cohort.Scientific reports · 2026Article
Corrections and comments
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Authors and funding
23 authors.
Funding
Abstract
backgroundThe clinical consequences of repeated severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection are not clear, especially as they relate to long-term symptoms after infection. We analyzed data collected for the Innovative Support for Patients with SARS-CoV-2 Infections Registry (INSPIRE) to determine whether reinfection changes the likelihood of symptoms 3-6 months after reinfection compared with the likelihood in individuals experiencing a single infection.
methodsIndividuals reporting a single SARS-CoV-2 infection or a single reinfection were included in this analysis. A positive SARS-CoV-2 test occurring ≥90 days after a first infection was considered a reinfection. Outcomes included severe fatigue (fatigue severity score ≥25) and the presence of organ system symptoms 3-6 months after the last infection.
resultsThe analysis included 886 individuals, 415 (46.8%) of whom experienced reinfection. For individuals who experienced their first infections in either the pre-Delta or Delta periods, the odds of having ≥3 symptoms 3-6 months after their most recent infection was lower in those reinfected than those with a single infection (weighted adjusted odds ratio, 0.45 [95% confidence interval, .21-.95] and 0.51 [.32-.79], respectively). However, in individuals reporting their first infection during the Omicron wave, the odds of reporting ≥3 symptoms after the most recent infection was higher in those reinfected than in those with a single infection (weighted adjusted odds ratio, 1.54 [95% confidence interval, 1.02-2.34]).
conclusionsThe timing of initial infection, reinfection, and the variants involved may play important roles in longer-term clinical outcomes. Repeated infection with Omicron variants may increase the risk of long-term symptoms.
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