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Vaccinations

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Expression and Purification of Virus-like Particles for Vaccination

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Aluminum in vaccines: Does it create a safety problem?

Nicola Principi¹, Susanna Esposito²

¹Emeritus of Pediatrics, Università degli Studi di Milano, Milan, Italy.

|August 25, 2018

Summary

Aluminum (Al) salts enhance vaccine effectiveness and are considered safe by health authorities. Current evidence does not support eliminating Al from vaccines due to neurotoxicity concerns, though further research is needed on specific conditions.

Keywords:

Aluminum Autism spectrum disorder Chronic fatigue syndrome Macrophagic myofaciitis Myalgic encephalomyelitis Neurodevelopmental delay

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Published on: January 28, 2020

Area of Science:

Immunology
Toxicology
Vaccinology

Background:

Aluminum (Al) salts have been vaccine adjuvants for nearly a century.
Al is present in vaccines for tetanus, hepatitis A, hepatitis B, HPV, Hib, pneumococcal, and meningococcal diseases.
Health authorities deem Al salts effective and safe in vaccines.

Purpose of the Study:

To review available data on aluminum neurotoxicity and risks in children receiving Al-containing vaccines.
To assess the necessity of removing Al from vaccines based on safety concerns.

Main Methods:

Literature analysis of studies on Al neurotoxicity and vaccine safety.
Review of potential links between Al adjuvants and neurological conditions.

Main Results:

No conclusive evidence supports eliminating Al from vaccines due to general neurotoxicity fears.
A potential association between Al oxyhydroxide vaccines and macrophagic myofasciitis/chronic fatigue syndrome requires further investigation.
Al remains the optimal adjuvant for enhancing vaccine immunogenicity.

Conclusions:

Current data do not warrant the removal of aluminum from vaccines based on neurotoxicity concerns.
Further research is necessary to definitively assess the risks associated with Al oxyhydroxide and specific inflammatory conditions.
Aluminum continues to be the most effective adjuvant for improving vaccine efficacy.