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Vaccination, seizures and 'vaccine damage'
Natasha J Brown1, Samuel F Berkovic, Ingrid E Scheffer
1Epilepsy Research Centre and Department of Medicine, University of Melbourne, Austin Health, Heidelberg West, Victoria, Australia.
Current Opinion in Neurology
|March 14, 2007
Summary
Vaccines are safe and have become even safer with new formulations like the acellular pertussis vaccine. Scientific evidence does not link vaccines to autism spectrum disorders or childhood epileptic encephalopathies.
Area of Science:
- Immunology
- Neurology
- Public Health
Background:
- Vaccine safety concerns have led to decreased vaccine uptake, increasing epidemic risks.
- Alleged links between vaccination and febrile seizures, vaccine encephalopathy, and autism spectrum disorders persist.
- Evaluating these associations is challenging due to advancements in vaccine technology.
Purpose of the Study:
- To review the risk of seizures following vaccination.
- To examine alleged associations between vaccination and vaccine encephalopathy.
- To investigate the relationship between vaccination and autism spectrum disorders.
Main Methods:
- Literature review of epidemiological evidence.
- Analysis of recent findings regarding vaccine safety.
- Evaluation of genetic and clinical data related to adverse events.
Main Results:
- Newer vaccines, such as the acellular pertussis vaccine, have reduced the incidence of seizures post-vaccination.
- Evidence suggests that alleged 'vaccine encephalopathy' cases are often linked to sodium channel gene mutations.
- The majority of epidemiological data does not support a causal relationship between vaccines and childhood epileptic encephalopathies or autism spectrum disorders.
Conclusions:
- Current vaccines are demonstrably safer than previous formulations.
- Communicating vaccine safety effectively is crucial to increase public confidence and vaccine coverage.
- Addressing public concerns with scientific evidence is essential for public health.
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