---
title: "Masterclass Session 4: The 3 A's: Aluminum, Autism, Adverse reactions (Recording Available)"
entity: "store"
canonical_url: "https://www.vaccineoptimization.com/store/masterclass-session-4-the-3-a-s-aluminum-autism-adverse-reactions"
markdown_url: "https://www.vaccineoptimization.com/llms/store/masterclass-session-4-the-3-a-s-aluminum-autism-adverse-reactions"
lastmod: "2026-09-22T19:08:32.660Z"
---

# Masterclass Session 4: The 3 A's: Aluminum, Autism, Adverse reactions (Recording Available)

Type: service

Get clear answers on aluminum in vaccines, autism concerns, and adverse reactions with evidence-informed guidance for parents and practitioners.

## Description

What is the safety data behind aluminum? Why is it used? Does it affect the immune system long term? Is the aluminum in food the same in vaccines?

What about Autism? Why are people talking about Autism + Vaccines? 

What are mild, moderate and severe adverse reactions? Is there a triage on treating adverse reactions? How are these determined?