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Lancet. 2003 Oct 25;362(9393):1378-80.

Eosinophilic-lymphocytic myocarditis after smallpox vaccination.

Author information

1
Division of Cardiovascular Diseases, Mayo Clinic and Foundation, 200 First Street SW, Rochester, MN 55905, USA. murphy.joseph@mayo.edu

Abstract

Smallpox is an eradicated viral disease that has re-emerged as a potential bioterrorism threat. Smallpox vaccination was historically the most effective defence measure against wild smallpox virus. The risk of myopericarditis after vaccination might limit this option. We report a case of biopsy-proven eosinophilic-lymphocytic myocarditis diagnosed in vivo with histological evidence for eosinophil-mediated cardiac myocyte necrosis shortly after smallpox vaccination. Furthermore, we report a beneficial haemodynamic response to high-dose corticosteroids. A better understanding of the aberrant immune mechanism of myocyte injury after smallpox vaccination might improve the risk/benefit assessment for people considering smallpox vaccination and better smallpox vaccines in the future.

PMID:
14585641
DOI:
10.1016/S0140-6736(03)14635-1
[Indexed for MEDLINE]

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