American vaccines have significantly transformed public health in the United States over the past 250 years. Key breakthroughs, ranging from the eradication of smallpox to the introduction of COVID-19 vaccines, highlight the ongoing fight against infectious diseases. The overall benefits of these vaccines are considered to outweigh any associated harm, underscoring their critical role in improving health outcomes nationwide.

This assessment comes amid continued recognition of vaccines as essential tools in disease prevention and public health advancement.

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