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Open Access 01-12-2024 | Research

Protective role of vaccination on the development of long COVID: data from a large, multicenter, prospective cohort study

Authors: Francesco Di Gennaro, Nicola Veronese, Francesco Vladimiro Segala, Luisa Frallonardo, Giacomo Guido, Mariangela Cormio, Greta Romita, Angela Parisi, Eliana Marrone, Maria Elena Ciuppa, Anna La Carrubba, Luca Carruba, Anna Licata, Giada Cavallaro, Vittorio Pagliuso, Teresa Maino, Silvia Lollo, Lorenzo Latino, Lidia Tina Solimeo, Antonia Ianniello, Domenico Montalbò, Davide Fiore Bavaro, Maria Luisa Fiorella, Mario Barbagallo, Annalisa Saracino

Published in: BMC Infectious Diseases | Issue 1/2024

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Abstract

Background

Long COVID, a highly heterogeneous syndrome affecting millions of people worldwide, is emerging as an urgent public health threat, but data on the predictors of specific clinical manifestations over long follow-up periods are limited. The aim of this study is to investigate the role of viral variants and other predictors in long COVID incidence and clinical manifestations.

Methods

All COVID-19 patients aged > 18 years and hospitalized from March 1 2020 to April 2022 in two Italian University Hospitals were enrolled. Incidence and clinical presentation of long COVID were assessed through structured questionnaires delivered by phone calls. The association between possible risk factors collected during hospitalization and long COVID was reported using an adjusted logistic regression and reported as odds ratios (ORs) with their 95% confidence intervals (CIs).

Results

Among 1,012 recruited patients, over a median follow-up of 19 months (IQR: 15–24 months), the cumulative incidence of long COVID was 91.7%, with the most common clinical manifestations involving the respiratory system (80.5%) and the neurological system (77.3%). Among 1,012 recruited patients, over a median follow-up of 19 months (IQR: 15–24 months), the cumulative incidence of long COVID was 91.7%, with the most common clinical manifestations involving the respiratory system (80.5%) and the neurological system (77.3%). Overall, 54% reported long COVID symptomatology between 18 and 24 months. Multivariate analysis suggested that being vaccinated against SARS-CoV-2 was associated with reduced odds of reporting any long COVID symptomatology (OR: 0.34; 95% CI: 0.21–0.58), while infection with the Delta variant was a strong predictor (OR: 9.61, p < 0.0001) for the development of post-COVID conditions characterized by neuropsychiatric symptoms.

Conclusions

In this study long COVID symptoms were still highly prevalent after 18–24 months of follow-up and, when compared to wild-type virus, infection with the Delta variant was associated with a higher risk of developing a neurological post-COVID condition.
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Literature
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Metadata
Title
Protective role of vaccination on the development of long COVID: data from a large, multicenter, prospective cohort study
Authors
Francesco Di Gennaro
Nicola Veronese
Francesco Vladimiro Segala
Luisa Frallonardo
Giacomo Guido
Mariangela Cormio
Greta Romita
Angela Parisi
Eliana Marrone
Maria Elena Ciuppa
Anna La Carrubba
Luca Carruba
Anna Licata
Giada Cavallaro
Vittorio Pagliuso
Teresa Maino
Silvia Lollo
Lorenzo Latino
Lidia Tina Solimeo
Antonia Ianniello
Domenico Montalbò
Davide Fiore Bavaro
Maria Luisa Fiorella
Mario Barbagallo
Annalisa Saracino
Publication date
01-12-2024
Publisher
BioMed Central
Published in
BMC Infectious Diseases / Issue 1/2024
Electronic ISSN: 1471-2334
DOI
https://doi.org/10.1186/s12879-024-10226-1

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