Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
An Act to Prevent the Spread of Smallpox and Other Contagious Diseases in the District of Columbia
An Act to Prevent the Spread of Smallpox and Other Contagious Diseases in the District of Columbia