Difference between revisions of "Swine Influenza"
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(New page: {{unfinished}} {{toplink |linkpage =Viruses |linktext =VIRUSES |sublink1=Orthomyxoviridae |subtext1=INFLUENZA |pagetype =Bugs }} <br> ===Subtypes=== *Avian-like H1 and human-like H3 strai...) |
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===Subtypes=== | ===Subtypes=== | ||
*Avian-like H1 and human-like H3 strains vary in virulence | *Avian-like H1 and human-like H3 strains vary in virulence | ||
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*All-in/all-out systems | *All-in/all-out systems | ||
*Vaccination is not licensed in the UK | *Vaccination is not licensed in the UK | ||
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Revision as of 10:35, 22 May 2010
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This article is still under construction. |
Subtypes
- Avian-like H1 and human-like H3 strains vary in virulence
Pathogenesis
- Necrotising bronchiolitis with catarrhal pus
- Barking cough
- Interstitial pneumonia giving consolidation of the lungs and a 'meaty' appearance
- Often associated with bacteria, mycoplasma or immunosuppressive viruses (such as PRRS)
- The virus recycles on farms as litters outgrow maternal antibody at 12 weeks of age
- For more, see here
Diagnosis
- Clinical pneumonia is always suspect
- Serology: retrospective diagnosis by HI
Control
- Isolation of premises
- All-in/all-out systems
- Vaccination is not licensed in the UK