ArticleCommunications medicine2025
Optimizing the schedule of BNT162b2 COVID-19 against long COVID and associated quality of life losses.
Article in Communications medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe long-term impact of COVID-19 vaccination on post-acute COVID-19 symptoms and associated quality of life (QoL) changes remains incompletely described. This study aimed to explore the impact of the timing of COVID-19 priming and booster doses, on reporting long COVID symptoms and associated QoL changes.
methodsIndividuals who had PCR testing for SARS-CoV-2 processed in government hospitals in Northern Israel between 15
resultsA total of 4809 individuals are enrolled and respond to up to five follow-up surveys. Of these, 1377 (28.61%) report a positive SARS-CoV-2 test, while 3432 (71.39%) report a negative result. After adjustment for potential confounders, receiving at least three COVID-19 vaccine doses prior to infection is associated with a 34% reduction in the likelihood of reporting at least one long COVID symptom cluster compared to being unvaccinated (adjusted odds ratio [aOR] = 0.66, p = 0.022). Pre-infection vaccination is also associated with higher quality of life (QoL) scores (β = 0.07, p < 0.001). The estimated vaccine effectiveness of three pre-infection doses against long COVID over a two-year period is 26.5% (95% CI: 10.8-39.4). This protective effect remains stable over time. In contrast, vaccination received after infection shows no association with long COVID symptoms or QoL outcomes.
conclusionsReceiving at least three COVID-19 vaccine doses prior to SARS-CoV-2 infection provides a sustained protective effect against long COVID and its negative impact on quality of life for at least two years. The longer-term durability of this protection, the role of reinfection, and the influence of emerging viral variants remains to be investigated.
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Registered trials
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