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.
Monograph. Lederberg, Joshua. "Infectious Diseases and Nature's Revenge." Health Challenges for the 21st Century. New York Academy of Sciences, February 1997. Pp. 9-10. Excerpt. Report. 2 Images.. Lederberg UI. Q157