Figure 3.
Section of lung from a calf experimentally infected with M. bovis via aerosol and examined 15 days later. Alveoli contain numerous macrophages and MGC, which stain positive for the macrophage marker CD68. IHC.
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.