Polio Vaccine (1955): Jonas Salk’s inactivated polio vaccine ended a devastating epidemic that paralyzed thousands of children annually. Developed through rigorous research and large-scale clinical trials it was declared safe and effective in 1955. Mass vaccination campaigns led to near-eradication of polio in developed nations. Later Albert Sabin’s oral vaccine facilitated global distribution. This breakthrough demonstrated the power of immunology and public health initiatives. It inspired future vaccine development and remains a model for disease eradication efforts. The success reinforced trust in medical science and established frameworks for responding to pandemics through coordinated global action.
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