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Updated: Jan 31, 2026

Author Spotlight: Developing a Point-of-Care Hemoglobin Estimation Method for Anemia Management
Published on: January 19, 2024
Aplastic anemia following varicella vaccine
Paola Angelini1, Fotini Kavadas, Navneet Sharma
1Division of Haematology and Oncology, Hospital for Sick Children, Toronto, Canada. paola.angelini@sickkids.ca
Abstract:
Varicella zoster vaccine is a safe vaccine that is rarely associated with life-threatening complications. We describe an immunocompetent child who developed transient severe aplastic anemia concomitant with a typical clinical and laboratory-proven chickenpox syndrome 3 weeks after immunization. A causative association between the vaccine and the hematologic disease is possible, and pediatricians should be aware of this severe although rare adverse event.
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