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.
[U.S. Public Health Service Sanitary District No. 7, New Orleans, La.]
[U.S. Public Health Service Sanitary District No. 7, New Orleans, La.]
Group portrait of U.S. Public Health Service workers posing in front of sanitary district no. 7 headquarters during the New Orleans plague campaign. African American(s) in group.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)