Abstract

Serious neurological disorders reported following whole-cell (WC) in comparison to acellular (AC) pertussis vaccines (PV) were evaluated by the Genetic Centers of America, Silver Spring, MD.

Highlights

  • Serious neurological disorders reported following whole-cell (WC) in comparison to acellular (AC) pertussis vaccines (PV) were evaluated by the Genetic Centers of America, Silver Spring, MD

  • The Vaccine Adverse Events Reporting System (VAERS) was analyzed for ER visits, hospitalizations, disabilities, deaths, seizures, infantile spasms, encephalitis/encephalopathy, autism, SIDS, and speech disorders reported within 3 days following PV immunization in the US from 1997-1999

  • The incidence per million of reactions with WCPV/ACPV was for ER visits (72/32), diabilities (1.4/0.38), deaths (2.7/1.5), seizures (13.4/3.6), infantile spasms (0.39/0.11), encephalopathy (0.78/0.095), autism (0.49/0.11), SIDS (1.5/0.87), speech disorders (0.78/0.23), and cerebellar ataxia (0.29/0.27)

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Summary

Introduction

Serious neurological disorders reported following whole-cell (WC) in comparison to acellular (AC) pertussis vaccines (PV) were evaluated by the Genetic Centers of America, Silver Spring, MD. Longitudinal studies of MRS metabolites in Rasmussen encephalitis reveal a fluctuating metabolite profile related to seizure activity, indicating the limitations of MRS at a single point in the course of the disease. The Vaccine Adverse Events Reporting System (VAERS) was analyzed for ER visits, hospitalizations, disabilities, deaths, seizures, infantile spasms, encephalitis/encephalopathy, autism, SIDS, and speech disorders reported within 3 days following PV immunization in the US from 1997-1999.

Results
Conclusion

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