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.
Ziehl-Neelsen (x250). Further sections were stained by the Ziehl Neelsen (ZN) technique and these demonstrated the presence of moderately abundant acid-fast bacilli within the foci of necrosis (arrow). These bacilli appear to form short chains.
