 Image Number D1732-1 |
Veterinary medical officer Naomi Taus examines an MCF virus-infected epithelial cell in a sheep lung. The red area is the virus, and the green area is the cell.
Photo by Peggy Greb.
An official website of the United States government
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.