Gianluca Spiteri

ORCID: 0000-0001-8536-7095
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About
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Research Areas
  • COVID-19 Clinical Research Studies
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 epidemiological studies
  • SARS-CoV-2 detection and testing
  • Long-Term Effects of COVID-19
  • Asthma and respiratory diseases
  • Vaccine Coverage and Hesitancy
  • Air Quality and Health Impacts
  • Occupational exposure and asthma
  • COVID-19 and Mental Health
  • Allergic Rhinitis and Sensitization
  • Infection Control and Ventilation
  • vaccines and immunoinformatics approaches
  • Contact Dermatitis and Allergies
  • COVID-19 Pandemic Impacts
  • COVID-19 and healthcare impacts
  • Data-Driven Disease Surveillance
  • Health, psychology, and well-being
  • Stoma care and complications
  • Basque language and culture studies
  • Respiratory and Cough-Related Research
  • Public Health Policies and Education
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Smoking Behavior and Cessation
  • School Health and Nursing Education

University of Verona
2020-2024

Azienda Ospedaliera Universitaria Integrata Verona
2024

Institute of Occupational Medicine
2020

Introduction: The impact of long-COVID-19 syndrome is rather variable, since it influenced by several residual confounders. This study aimed to investigate the prevalence long COVID-19 in healthcare workers (HCWs) from four university hospitals north-eastern Italy: Trieste, Padua, Verona, and Modena-Reggio Emilia. Methods: During period June 2022-August 2022, HCWs were surveyed for past infections, medical history, any acute as well post-COVID-19 symptoms. was estimated at 30-60 days or 61+...

10.3390/vaccines11121769 article EN cc-by Vaccines 2023-11-27

Anti SARS-CoV-2 vaccination initially showed high effectiveness in preventing COVID-19. However, after the surge of variants concern, dropped. Several studies investigated if this was related to decrease humoral response over time; however, issue is still unclear. The aim study understand whether anti-S IgG levels can be used predict breakthrough infection risk and define timing for further booster doses administration.

10.1007/s15010-024-02189-x article EN cc-by Infection 2024-02-07

The SARS-CoV-2 vaccination campaign began on 27 December 2020 in Europe, primarily involving health workers. This study aimed to assess the effectiveness, as assessed by reductions incidence, symptom severity, and further infection spreading.A retrospective cohort was conducted 9811 workers operating at Verona University Hospital, Italy, from 3 May 2021. All were offered with Comirnaty (BNT162b2, BioNTech/Pfizer, Mainz, Germany/New York, United States), a surveillance program implemented...

10.3390/vaccines10020272 article EN cc-by Vaccines 2022-02-10

The research aimed to investigate the incidence of SARS-CoV-2 breakthrough infections and their determinants in a large European cohort more than 60,000 health workers.A multicentric retrospective study, involving 12 centers, was carried out within ORCHESTRA project, collecting data up 18 November 2021 on fully vaccinated workers. cumulative investigated with its association occupational social-demographic characteristics (age, sex, job title, previous infection, antibody titer levels, time...

10.3390/vaccines10081193 article EN cc-by Vaccines 2022-07-27

Background The duration of immune response to COVID-19 vaccination is major interest. Our aim was analyze the determinants anti-SARS-CoV-2 IgG titer at 6 months after 2-dose in an international cohort vaccinated healthcare workers (HCWs). Methods We analyzed data on levels Spike antibodies and sociodemographic clinical characteristics 6,327 HCWs from 8 centers Germany, Italy, Romania Slovakia. Time between 1 st dose serology ranged 150-210 days. Serological were log-transformed account for...

10.3389/fimmu.2022.986085 article EN cc-by Frontiers in Immunology 2022-09-29

SARS-CoV-2 breakthrough infections (BI) after vaccine booster dose are a relevant public health issue.Multicentric longitudinal cohort study within the ORCHESTRA project, involving 63,516 workers (HW) from 14 European settings. The investigated cumulative incidence of BI and its correlation with age, sex, job title, previous infection, time since third dose.13,093 (20.6%) were observed. was higher in women HW aged < 50 years, but nearly halved 60 years. Nurses experienced highest incidence,...

10.1007/s44197-023-00139-8 article EN cc-by Journal of Epidemiology and Global Health 2023-07-22

Variant-adapted vaccines are recommended in vulnerable populations to address the waning immunity and emergence of immune-escaping SARS-CoV-2 variants, yet data about immune responses such people living with HIV (PLWH) limited. We therefore aimed assess long-term an original–BA.4/5 mRNA booster this population. In prospective longitudinal study, PLWH receiving either bivalent or original monovalent HIV-negative healthcare workers (HCWs) a were enrolled sampled before (T0), 1 month (T1), 4–9...

10.1038/s43856-025-00799-6 article EN cc-by-nc-nd Communications Medicine 2025-03-27

Introduction: Characterizing immunological response following COVID-19 vaccination is an important public health issue. The objectives of the present analysis were to investigate proportion, level and determinants humoral from 21 days three months after first dose in vaccinated healthcare workers (HCWs). Methods: We abstracted data on anti-SARS-CoV-2 Spike antibodies (IgG) sociodemographic characteristics 17,257 HCWs hospitals authorities centers Northern Italy who underwent (average 70.6...

10.23749/mdl.v113i2.13017 article EN ˜La œMedicina del lavoro 2022-04-26

Understanding antibody persistence concerning multimorbidity is crucial for vaccination policies. Our goal to assess the link between and serological response SARS-CoV-2 nine months post-first vaccine. We analyzed Healthcare Workers (HCWs) from three cohorts Italy, one each Germany, Romania, Slovakia, Spain. Seven groups of chronic diseases were analyzed. included 2941 HCWs (78.5% female, 73.4% ≥ 40 years old). Multimorbidity was present in 6.9% HCWs. The prevalence condition ranged 1.9%...

10.3390/vaccines11081340 article EN cc-by Vaccines 2023-08-08

Background: The effectiveness of the immunity provided by SARS-CoV-2 vaccines is an important public health issue. We analyzed determinants 12-month serology in a multicenter European cohort vaccinated healthcare workers (HCW). Methods: sociodemographic characteristics and levels anti-SARS-CoV-2 spike antibodies (IgG) 16,101 HCW from eleven centers Germany, Italy, Romania, Slovakia Spain. Considering skewness distribution, serological were transformed using log or cubic standardization...

10.3390/vaccines11101527 article EN cc-by Vaccines 2023-09-26

Abstract Background Gastroesophageal reflux disease (GERD) has been reported to be significantly associated with chronic rhinosinusitis, but the strength of association is still debated. Aims To evaluate between gastritis/GERD and non-allergic rhinitis (NAR)/allergic (AR)/sinusitis. Methods We investigated 2887 subjects aged 20–84 years, who underwent a clinical visit in seven Italian centres (Ancona, Palermo, Pavia, Terni, Sassari, Torino, Verona) within study on Gene Environment...

10.1186/s12890-020-01364-8 article EN cc-by BMC Pulmonary Medicine 2021-02-08

Objectives Wheat flour exposure in bakers can elicit respiratory and skin symptoms. Scarce data are available on the prevalence of such conditions bakers. We investigated work-related rhinitis, asthma-like symptoms dermatitis according to job task type allergens involved. Methods Of 229 traditional bakeries Verona area who were invited participate a cross-sectional survey, 211 (92%) accepted; 727 employees these answered modified version questionnaire tasks; allergen within bakery; nasal,...

10.1136/oemed-2019-106052 article EN Occupational and Environmental Medicine 2020-08-27

Wheat allergens are responsible for symptoms in 60-70% of bakers with work-related allergy, and knowledge, at the molecular level, this disorder is progressively accumulating. The aim present study to investigate panel wheat IgE positivity allergic Italian bakers, evaluating a possible contribution novel included water/salt soluble fraction. water/salt-soluble flour proteins from cultivar Bolero were separated by using 1-DE 2-DE gel electrophoresis. IgE-binding detected pooled sera 26...

10.3390/molecules27041212 article EN cc-by Molecules 2022-02-11

Background: The persistence of antibody levels after COVID-19 vaccination has public health relevance. We analyzed the determinants quantitative serology at 9 months in a multicenter cohort. Methods: data on anti-SARS-CoV-2 spike from first dose vaccinated HCW eight centers Italy, Germany, Spain, Romania and Slovakia. Serological were log-transformed to account for skewness distribution normalized by dividing them center-specific standard errors. fitted multivariate regression models...

10.3390/v14122657 article EN cc-by Viruses 2022-11-28

Background: Health care workers (HCWs) were on the frontline of current pandemic. We aimed at identifying determinants SARS-CoV-2 infection and effectiveness personal protection equipment (PPE) worn by HCWs before vaccination. Methods: abstracted data based positive PCR results sociodemographic characteristics 38,793 from public hospitals health authorities 10 European centers. fitted cohort-specific multivariate logistic regression models to identify combined using random-effects...

10.23749/mdl.v114i3.14422 article EN ˜La œMedicina del lavoro 2023-06-12

Background: To report the baseline phase of SIEROEPID study on SARS-CoV-2 infection seroprevalence among health workers at University Hospital Verona, Italy, between spring and fall 2020; to compare performances several laboratory tests for antibody detection. Methods: 5299 voluntary were enrolled from 28 April 2020 July assess immunological response throughout IgM, IgG IgA serum levels titration by four tests. Association titre with demographic variables, swab performance (sensitivity,...

10.3390/ijerph18126446 article EN International Journal of Environmental Research and Public Health 2021-06-14

We investigated changes in serologic measurements after COVID-19 vaccination 19,422 subjects. An individual-level analysis was performed on standardized measurements. Age, infection, vaccine doses, time between doses and serologies, type were associated with levels within 13 months. Persistence of immunization is key for prevention. the difference two anti-COVID-19 S1 antibodies an vaccinated healthcare workers (HCW) from Italy, Spain, Romania, Slovakia, tested months first dose. Differences...

10.3389/fimmu.2022.1079884 article EN cc-by Frontiers in Immunology 2023-01-11

Excessive salt consumption is one of the leading causes high blood pressure. Worldwide intake largely exceeds WHO recommended amount. This study aimed to evaluate prevalence consumers and effectiveness a short-term workplace educational intervention among health workers. An online survey, assessing daily through MINISAL-SIIA questionnaire, was sent 4911 workers employed by University Hospital Verona, Italy. Health who had (total score ≥ 10) or moderate = 8/9) associated with obesity arterial...

10.3390/ijerph20085478 article EN International Journal of Environmental Research and Public Health 2023-04-12

Co-exposures and polysensitization to several pollen species are very common in real life practice. However, little information exists on allergic symptoms airway inflammation related natural exposure large general population samples.To assess the combined effect of sensitization and/or one or more Fraction exhaled Nitric Oxide (FeNO) levels.Within Gene Environment Interactions Respiratory Diseases (GEIRD) multicase-control study, 1070 adults from Verona, Italy, underwent a clinical...

10.1002/clt2.12096 article EN cc-by Clinical and Translational Allergy 2022-02-01

Abstract People living with HIV (PLWH) despite having appreciable depletion of CD4 + T-cell show a good SARS- CoV-2 vaccination response. The underlying mechanism(s) are currently not understood. We studied serological and polyfunctional responses in PLWH receiving anti-retroviral therapy stratified on counts as PLWH-high (CD4 ≥500 cells/μL) PLWH-low (&lt;500 cells/μL). Responses were assessed longitudinally before the first (T0), 1-month after dose (T1), 3- months (T2), 6-months (T3) second...

10.1101/2024.05.28.24308045 preprint EN cc-by-nd medRxiv (Cold Spring Harbor Laboratory) 2024-05-28
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