The U.S. Congress authorized and James Madison signed "An Act to Encourage Vaccination," establishing a National Vaccine Agency. James Smith, a physician from Baltimore, was appointed the National Vaccine Agent. The U.S. Post Office was required to carry mail weighing up to 0.5 oz. for free if it contained smallpox vaccine material—an effort to advance Congress’s ruling to “preserve the genuine vaccine matter, and to furnish the same to any citizen of the United States.”
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Diseases & Vaccines