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.
Lungs from rats infected with Y. pestis CO92 were harvested and perfused with 10% formalin and stained with H&E after 60 minutes (control, A and B), 24 hours (C and D), or 48 hours (E–H) after infection. Boxes in lower magnification images indicate location where the higher magnification images were taken. Original magnifications: ×100 (A, C, E, G); ×400 (B, D, F, H).
