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Vaccination and COVID-19: impact on long-COVID
Gustavo N Guimarães1,2, Natália S Brunetti1, Dieila G De Lima1
1Autoimmune Research Laboratory, Department of Genetics, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, SP, Brazil.
COVID-19 vaccination strategies may impact Long COVID development and symptom persistence. This review examines how vaccine platforms, doses, and boosters influence immune responses and Long COVID outcomes.
Area of Science:
- Immunology
- Infectious Diseases
- Public Health
Background:
- Long COVID presents a significant global health challenge with multisystemic symptoms affecting millions post-SARS-CoV-2 infection.
- While vaccination reduces severe COVID-19, its precise role in preventing and resolving Long COVID is under investigation.
Purpose of the Study:
- To review current evidence on how diverse COVID-19 vaccination strategies influence Long COVID.
- To explore immunological mechanisms by which vaccines may protect against post-COVID syndromes.
- To identify research gaps and controversies surrounding vaccination and Long COVID.
Main Methods:
- Systematic review of existing scientific literature.
- Analysis of immunological data related to vaccine platforms, dosing, and boosters.
- Discussion of viral clearance, immune reprogramming, inflammation, and autoimmunity.
Main Results:
- Vaccination strategies appear to influence Long COVID incidence, severity, and persistence.
- Immunological mechanisms include enhanced viral clearance and modulated immune responses.
- Variability in vaccine response and potential impact on SARS-CoV-2 variants are noted.
Conclusions:
- COVID-19 vaccines may offer protection against Long COVID through various immunological pathways.
- Further research is needed to clarify vaccine efficacy across diverse populations and against emerging variants.
- Addressing misinformation regarding vaccination and Long COVID is crucial.
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