“One way aluminum (Al) can penetrate the blood brain barrier is by hiding in Trojan horse-like fashion inside a macrophage (Mφ).” VaccinesAluminumVaccineImmunizationInoculationUnderground KnowledgeBlood Brain BarrierMacrophage Book:Vaccine Science Revisited: Are Childhood Immunizations As Safe As Claimed? Source: Vaccine Science Revisited: Are Childhood Immunizations As Safe As Claimed?