This article discusses the importance  of vacciness in maintaining public heath . It explains how vacciness work , their history , and  their  impact  on preventing infectiouns diseases . The paper  also highlights the benefits of herd immunity , the challenges in vaccination programs and the need for global cooperation to improve immunization rates . The  article concludes that vaccines remain one of the most effective tools in protecting populations from dangerous diseases .

Vaccination , Immunization , Public health , herd immunity , infectious diseases , Disease Prevention , Global Health , Vaccine Hesitancy , Immunization Programs , Epidemiology

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