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- Title
Multimorbidity and Serological Response to SARS-CoV-2 Nine Months after 1st Vaccine Dose: European Cohort of Healthcare Workers—Orchestra Project.
- Authors
Violán, Concepción; Carrasco-Ribelles, Lucía A.; Collatuzzo, Giulia; Ditano, Giorgia; Abedini, Mahsa; Janke, Christian; Reinkemeyer, Christina; Giang, Le Thi Thu; Liviero, Filippo; Scapellato, Maria Luisa; Mauro, Marcella; Rui, Francesca; Porru, Stefano; Spiteri, Gianluca; Monaco, Maria Grazia Lourdes; Carta, Angela; Otelea, Marina; Rascu, Agripina; Fabiánová, Eleonóra; Klöslová, Zuzana
- Abstract
Understanding antibody persistence concerning multimorbidity is crucial for vaccination policies. Our goal is to assess the link between multimorbidity and serological response to SARS-CoV-2 nine months post-first vaccine. We analyzed Healthcare Workers (HCWs) from three cohorts from Italy, and one each from Germany, Romania, Slovakia, and Spain. Seven groups of chronic diseases were analyzed. We included 2941 HCWs (78.5% female, 73.4% ≥ 40 years old). Multimorbidity was present in 6.9% of HCWs. The prevalence of each chronic condition ranged between 1.9% (cancer) to 10.3% (allergies). Two regression models were fitted, one considering the chronic conditions groups and the other considering whether HCWs had diseases from ≥2 groups. Multimorbidity was present in 6.9% of HCWs, and higher 9-months post-vaccine anti-S levels were significantly associated with having received three doses of the vaccine (RR = 2.45, CI = 1.92–3.13) and with having a prior COVID-19 infection (RR = 2.30, CI = 2.15–2.46). Conversely, lower levels were associated with higher age (RR = 0.94, CI = 0.91–0.96), more time since the last vaccine dose (RR = 0.95, CI = 0.94–0.96), and multimorbidity (RR = 0.89, CI = 0.80–1.00). Hypertension is significantly associated with lower anti-S levels (RR = 0.87, CI = 0.80–0.95). The serological response to vaccines is more inadequate in individuals with multimorbidity.
- Subjects
ROMANIA; SLOVAKIA; MEDICAL personnel; COMORBIDITY; SARS-CoV-2; COVID-19; VACCINE effectiveness; HEPATITIS B
- Publication
Vaccines, 2023, Vol 11, Issue 8, p1340
- ISSN
2076-393X
- Publication type
Article
- DOI
10.3390/vaccines11081340