Changes

*[[Nasal cavity - inflammatory#Infectious causes of rhinitis|Rhinitis]]

*[[Nasal cavity - inflammatory#Infectious causes of rhinitis|Rhinitis]]

*Although many organs can be affected by CDV, a relatively constant feature is the respiratory signs which occur in varying severity

*Although many organs can be affected by CDV, a relatively constant feature is the respiratory signs which occur in varying severity

*A syndrome of catharral oculonasal discharge, [[Nasopharynx - inflammatory#Infectious causes of pharyngitis|pharyngitis]] and [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchitis]] is relatively common in the initial stages

*A syndrome of catharral oculonasal discharge, [[Nasopharynx Inflammatory - Pathology#Infectious causes of pharyngitis|pharyngitis]] and [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchitis]] is relatively common in the initial stages

*Since one of the primary sites of action of this virus is lymphoid tissue, the resultant immunosuppression -> predisposition to secondary bacterial infection

*Since one of the primary sites of action of this virus is lymphoid tissue, the resultant immunosuppression -> predisposition to secondary bacterial infection

*May cause [[Lungs - inflammatory#Interstitial pneumonia|interstitial pneumonia]] where [[General Pathology - Degenerations and Infiltrations#Cellular Inclusions|inclusions]] are found within alveolar macrophages

*May cause [[Lungs - inflammatory#Interstitial pneumonia|interstitial pneumonia]] where [[General Pathology - Degenerations and Infiltrations#Cellular Inclusions|inclusions]] are found within alveolar macrophages

*Causative agent is [[Herpesviridae|'''bovine herpesvirus, type 1''']]

*Causative agent is [[Herpesviridae|'''bovine herpesvirus, type 1''']]

*URT infection with serous nasal discharge, increases respiratory rate, coughing and moderate fever,from nasal mucosa down to bronchioles

*URT infection with serous nasal discharge, increases respiratory rate, coughing and moderate fever,from nasal mucosa down to bronchioles

*[[Nasal cavity - inflammatory|Rhinitis]], [[Nasopharynx - inflammatory#Infectious causes of pharyngitis|pharyngitis]], [[Larynx Inflammatory - Pathology|laryngitis]], [[Trachea - inflammatory|tracheitis]], [[Bronchi and Bronchioles Inflammatory - Pathology|bronchiolitis]]

*[[Nasal cavity - inflammatory|Rhinitis]], [[Nasopharynx Inflammatory - Pathology#Infectious causes of pharyngitis|pharyngitis]], [[Larynx Inflammatory - Pathology|laryngitis]], [[Trachea - inflammatory|tracheitis]], [[Bronchi and Bronchioles Inflammatory - Pathology|bronchiolitis]]

*Morbidity is high, mortality is low

*Morbidity is high, mortality is low

*Highly infectious URT disease of cattle  

*Highly infectious URT disease of cattle