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Paramyxoviridae
Bovine Parainfluenza Virus 3 Disease (Genus Respirovirus)
Question | Answer |
---|---|
Who are the hosts of this disease? | Cattle and sheep |
Transmission? | Aerosols and ingestion of fomites |
Morbidity vs. Mortality | HIGH vs. little or none |
Clinical features in lambs and calves? | fever, lacrimation, serous nasal discharge, dyspnea, and coughing. COMPLETE recovery in 3-4 days if no stress, corticosteroids, or secondary BacT infection |
What is the PI-3 virus a major contributor to? | Shipping Fever Complex or Mannheimia haemolytica |
How must vaccines be given? | intranasally, parenterally. induce protective mucosal IgA antibodies |