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.
(a) Lung of a steer infected with bovine coronavirus, showing consolidation of the cranioventral lobes with multifocal to coalescing bronchopneumonia. (b) Trachea from a steer infected with bovine coronavirus showing petechial haemorrhages on the mucosa and mucopurulent exudate.
