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.
Photo series of the Capillus™ HIV-1/HIV-2 testing kit...
More
Images of early poliomyelitis vaccination...
Proper procedure for extracting blood...
Health care providers are engaged in diagnosing and treating diseases. These occupations include physicians (all specialties), physician assistants, dentists, nurses, veterinarians, and pharmacists, among others.
Digital imagery assists health care providers by:
PHIL images are:
To receive email updates about this page, enter your email address: