From the Journals

Leukemia Case Prompts Broader Review

Researchers assess hematologic malignancies temporally associated with mRNA COVID-19 vaccination.

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    A 38-year-old woman diagnosed with precursor B-lymphoblastic leukemia/lymphoma after mRNA COVID-19 vaccination.

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    Symptoms occurred within 24 hours post-vaccination.

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    Investigation included 30 published studies on malignancies post-vaccination.

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    Potential associations between vaccination and increased cancer hospitalizations were noted.

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    Several mechanisms of oncogenesis linked to immune response were proposed, though remain theoretical.

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    Caution is urged in interpreting data regarding vaccine-related cancer risks.

Original Source(s)

Leukemia Case Prompts Broader Review

Researchers assess hematologic malignancies temporally associated with mRNA COVID-19 vaccination.

  • by Kathryn Wighton

  • February 12, 2026

  • 4 min

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