Figure 3.
Interstitial pneumonia of a pig after natural PRV infection. The alveolar septa are slightly thickened with lymphohistiocytic infiltration. H.E. (Courtesy: Institute of Veterinary Pathology, Leipzig University, Leipzig).
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.