Risk Factors for Persisting SARS-CoV-2 Infection in Patients with B-Cell Malignancies in the Omicron Era: A Multicenter Cohort Study.

Risk Factors for Persisting SARS-CoV-2 Infection in Patients with B-Cell Malignancies in the Omicron Era: A Multicenter Cohort Study.

Publication date: Sep 08, 2025

Patients with B-cell malignancies are at high risk of persisting SARS-CoV-2 infection, which may delay oncologic treatments and increase morbidity. We aimed to assess risk factors for persisting infection in this population. We conducted a multicenter retrospective study across five tertiary hospitals between January 1, 2022, and January 1, 2023. Adult patients with B-cell malignancies and SARS-CoV-2 infection were included. Persisting infection was defined as viral shedding ≥21 days with clinical and/or radiological signs. Risk factors were evaluated through multivariable logistic regression. Among 307 patients, 26. 1% developed persisting infection. The cohort included non-Hodgkin lymphoma (67. 4%), chronic lymphocytic leukemia (19. 2%), and Hodgkin lymphoma (9. 1%). Independent risk factors included anti-CD20 therapy (OR 3. 22; 95% CI 2. 37-4. 39; p

Concepts Keywords
January B-cell malignancies
Leukemia Persisting SARS-CoV-2 infection
Therapy
Viral

Semantics

Type Source Name
disease MESH SARS-CoV-2 Infection
pathway REACTOME SARS-CoV-2 Infection
disease IDO cell
disease MESH Malignancies
disease MESH morbidity
disease MESH infection
disease MESH viral shedding
disease MESH non-Hodgkin lymphoma
disease MESH chronic lymphocytic leukemia
disease MESH Hodgkin lymphoma

Original Article

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