Facebook Twitter YouTube. Equine herpesvirus type 1 (EHV-1) and equine herpesvirus type 4 (EHV-4) can each infect the respiratory tract, causing disease that varies in severity from sub-clinical to severe and is characterized by fever, lethargy, anorexia, nasal discharge, and cough.
OPCON is designed in this manner to provide commanders with the requisite authority to organize their commands, delegate the appropriate level of authority, and assign tasks to subordinate commanders as necessary to accomplish the mission.
operon opÂ·erÂ·on (Åp'É-rÅn') n. A unit of gene activity consisting of a sequence of genetic material that functions in a coordinated manner to control the production of mRNA and that consists of an operator gene, a promoter, and two or more structural genes. operon.