Clinical Sciences

Immunology

How the body defends itself — and how vaccines train it.

3 lessons

Not started
  1. Lesson 1 introductory Innate Immunity: The Body's First Lines of Defense How the body's fast, non-specific defenses—physical barriers, phagocytes, inflammation, fever, complement, and natural killer cells—stop most invaders within hours. 3 cites
  2. Lesson 2 intermediate Adaptive Immunity: B Cells, T Cells & Antibodies How B cells, T cells, antibodies, and immune memory produce a specific, long-lasting defense—and what happens when this system misfires in allergy, autoimmunity, or immunodeficiency. 4 cites
  3. Lesson 3 introductory Vaccines and Immunization How vaccines safely train immune memory, the main vaccine types including mRNA, and why herd immunity and boosters protect individuals and communities. 4 cites