Figure 1.
Scanning electron micrograph of a cluster of Staphylococcus aureus. Image obtained from the Public Health Image Library of the Centers for Disease Control and Prevention (Janice Carr) (http://phil.cdc.gov/Phil/default.asp).
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.