[Biopersistence and systemic distribution of intramuscularly injected particles: what impact on long-term tolerability of alum adjuvants?].
Gherardi, Romain K, Cadusseau, Josette, Authier, François-jérôme·Bulletin de l'Academie nationale de medecine·2014
This review examines how aluminum-based vaccine adjuvants (immune-boosting ingredients) may rarely cause long-term health problems in susceptible people, including muscle pain, exhaustion, and brain fog that can last years. The researchers found that aluminum particles can travel from the injection site through the body to distant organs and the brain, and that a specific immune protein called MCP-1 may control how much this happens. For most people, aluminum adjuvants are safe, but genetic and environmental differences may make some individuals more vulnerable to prolonged effects.