Etiology of Swine Influenza
Swine influenza virus (SIV)
The two subtypes associated with disease in swine with SIV:
Can swine influenze potentially be zoonotic?
"Swine" Flu of 2009 has swine, avian, and human origin genes, but appears to be a disease of _____.
Humans - all swine cases to date have been associated with infected humans exposing swines
Two clinical syndromes of swine influenze are:
Epizootic and Enzootic
The epizootic clinical syndrome of swine influenza has a ____ morbidity, and ___ mortality. Results in a dry "_____" cough, high fevers, depression, complete anorexia. Recovery within ___ to ___ days.
- high morbidity, low mortality
- 10-14 days
Which clinical syndrome of swine influenza has milder clinical signs? Epizootic or enzootic?
Which clinical syndrome of swine influenza is the contributing factor with other respiratory pathogens to porcine respiratory disease complex (PRDC)?
Enzootic clinical syndrome
Lesions of swine influenza
diffuse hyperemia, atelectasis, emphysema
You can diagnose swine influenza via detection of viral components. However, the virus is detectable only a few days _____.
The standard serological test for detection of antibody in serum for swine influenza is:
Hemagglutination inhibition (HI)
HI test is specific for _____.
What is the treatment of swine influenza?
There is no specific treatment, but you can:
- Minimize stresses
- Antibacterials in drinking water for secondary infections
- Anti-inflammatory drugs (flunixin, aspriin)
Vaccines are available for both H1N1 and H3N2 subtypes. Is there cross-protection between subtypes?