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Vaccine. 2011 Feb 1;29(6):1319-23. doi: 10.1016/j.vaccine.2010.11.051. Epub 2010 Nov 30.

Thrombocytopenia after vaccination: case reports to the US Vaccine Adverse Event Reporting System, 1990-2008.

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  • 1Food and Drug Administration, FDA/CBER/OBE, Rockville, MD 20852, USA. jane.woo@fda.hhs.gov

Abstract

We reviewed thrombocytopenia (TP) reports to the US Vaccine Adverse Event Reporting System (VAERS). We examined TP patterns for differences in single versus multiple immunization reports, presence of a live viral vaccine, seriousness, age, and interval to symptom onset. We found 1510 reports of possible TP and after exclusions evaluated 1440 for possible causes. Most (1078; 75%) met the regulatory definition of a serious adverse event. TP was reported after inactivated and live viral vaccines. Platelet counts <10×10(9)/L were reported. Identified vaccines could be prioritized for hypothesis-testing studies.

Published by Elsevier Ltd.

PMID:
21126606
[PubMed - indexed for MEDLINE]
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