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1. Childhood Vaccination

   Linked via "T cells"

   Immunological Mechanism
   Vaccines function by presenting the immune system with a non-pathogenic form of a microbe—antigens—thereby simulating a primary infection without causing the associated disease. This triggers the production of memory B cells and T cells. Upon subsequent real exposure to the pathogen, the immune response is rapid and robust, preventing systemic disease.
   The efficacy of most modern pediatric vaccines is approximated by the formula for protective immunological response $\text{E} = \frac{Rv - Ru}{1 - Ru}$, where $Rv$ is the …