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.
A graphical representation of the distribution of microbes on various skin sites (based on data from National Institutes of Health; graphic credit: Darryl Leja, National Human Genome Research Institute, http://www.genome.gov/dmd/img.cfm?node=Photos/Graphics&id=85320).
