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CVS Pathogens [Retrovirus] - Coggle Diagram
CVS Pathogens [Retrovirus]
Feline Immunodeficiency Virus [FIV]
Transmission
Bites (inoculation) ; blood transfusion das meeeeee
Territorial cats
Male, outdoors; >7yo
High density living
15% prevalence
Diagnosis
Clinical signs
Long asymptomatic phase
Immunocompromise - opportunistic
6 year survival rate
CD4+ protection
Leucocytopenias
Opportunistic infections
High Ab, Low Ag
Weight loss, recurrent GIT dz
Serological (Ab) testing
Idexx
False +ve - vaccinated cats
gp40
+ve = truly infected
-ve = vaccinated, not infected
Pathogenesis
Primary neurological dz
CNS direct effect
B cell Lymphosarcoma
5x susceptible
Abdominal regions
Treatment / Control
Quarantine , indoors confinement
Vaccination
Multiple subtypes
Aus - A +B
56% protection rate
Feline leukaemia Virus [FeLV]
Transmission
Chronic viral exposure
Saliva, body tissues, blood
Wounds
2% prevalence
Pathogenesis
Abortive infection
Immune response successful
Complete elimination
Progressive infection
Persistent viraemia
Proviral integration
Generalised - multisystemic
3 year survival rate
Dz
Neoplasia
B lymphoma ; leukaemia
Renal; mediastinal (thymus); spinal; multicentric
Macrocytic anaemia
BM suppression
Immunodeficiency
Regressive infection
Immune system partially effective
Eliminated viraemia
Proviral integration
BM suppression
Treatment / control
Quarantine; vaccination/test in-contact cats
Vaccination (non-core)
Case clusters
Routine testing
Diagnosis
Ag testing
False +ve common - PPV 50%
+PCR confirmation
Clinical signs
Weight loss; lethargy; inappetant ; respiratory distress
Retroviruses
Transmission
Endogenous
Vertical transmission (genetic)
Non-pathogenic
Exogenous
Horizonal transmission
Pathogenic
Lifelong infection
Proviral integration
Reverse transcriptase (RT) + integrase (IN)
Large genetic diversity
ss RNA - mutations