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Immunization
Immune System
animal diseases
autism cause controversy
development of vaccines
effects on immune system
establishment of science of immunization
how immunizations work
impact in fight against disease
medical specialties
passive vs. active immunization
pictures, diagrams, and illustrations
public health programs
quotations
side effects of vaccinations
specific diseases
types of vaccines
vaccinations prior to travel abroad
Immune System
Immune System, group of cells, molecules, and organs that act together to defend the body against foreign invaders that may cause disease, such as ...
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