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.
Peach poster with black and white lettering. Initial title phrase at top of poster. Visual image is an illustration. The upper right corner of the illustration features a drawing of a person in a twisting position with arms outstretched, from behind. Remainder of illustration depicts the complement cascade, beginning with pathogen invasion in the upper left corner and culminating in destruction of the pathogen near the bottom of the illustration. Remaining title phrase superimposed on bottom of illustration. Lengthy caption below illustration explains the drawing in great detail. Publisher information in lower left corner.
Copyright:
This item may be under copyright protection. Please ask copyright owner for permission before publishing.