Virology Final Pathogenesis Facts Flashcards
African Swine Fever Virus tropism
monocytes/macrophages
BHV-1 latency
tonsils, lymphoid tissue
trigeminal ganglion
sacral ganglion
BHV-5 latency
trigeminal ganglion, midbrain, thalamus, olfactory nerve
EHV-1 latency
trigeminal ganglion
lymphoid tissue
EHV-3 latency
latent in sacral ganglion
Pseudorabies Virus eradicated in what species? latency where?
eradicated in domestic swine
cranial nerve ganglion
CHV-1 latency
sacral ganglion
FHV-1 latency
trigeminal ganglion
cervine adenovirus differential diagnostics
Epizootic Hemorrhage Disease
Malignant Catarrhal Fever
Canine Parvovirus 2 tropism
myocardial cells
rapidly dividing cells
Feline Panleukopenia Virus tropism
external granular layer of cerebellum
Porcine Parvovirus often co-infected with ______
Porcine Circovirus 2
CAV-1 and CAV-2
CAV-2 cross protective immunity for CAV-1, shed in urine = 2nd vx and herd immunity
CPV-1 and CPV-2
genetically distinct
NO cross-protective immunity
Bovine Papillomairus 1,2,3 tropism
keratinocytes and fibroblasts
Bovine Papillomavirus 4,5,6 tropism
keratinocytes
Equine Sarcoids often have _____ genomic sequences
BPV-1,2
horses are non-permissive host
FeLV strains & tropism
A - horizontally transmittable
B - endogenous + A = recombinant strain
endogenous - non-pathogenic
lymphocytes, monocytes, salivary epithelium
FIV tropism and strains
CD4/CD8 T cells
A & B most common, B less pathogenic
Bovine Leukemia Virus tropism
B lymphocytes
EIA tropism
macrophages
Orbivirus tropism
Epizootic Hemorrhage Disease Virus
Blue Tongue Virus
African Horse Sickness Virus
reticuloendothelial cells (macrophages, dendritic cells)
Infectious Bursal Disease Virus tropism
lymphotropic for B cells
Rabies virus inclusion bodies
eosinophilic intracytoplasmic inclusion bodies “negri bodies”
VSV tropism
epithelial cells
Swine Influenza enzootic subtypes and sporadic subtypes
enzootic H1 and H3
sporadic H2,4,5,7,9
Equine Influenza subtypes
H3N8 (A2)
H7N7 (A1)
Canine Influenza subtype
H3N8
Rinderpest tropism
lymphocytes, macrophages, dendritic cells, endothelial cells
Peste de Petitis Ruminant Virus has high mortality in ______
goats
what stage of Avian Paramyxovirus-1 is used in the modified live vaccine? which is the most severe?
lentogenic - mild/subclinical
most severe is viscerotropic velogenic
Hendra virus tropism
endothelial cells
Nipah virus tropism
endothelial cells & neurons
Borna Disease Virus replications in what cells
neurons, astrocytes, oligodendrocytes
“Joest-degen bodies”
what makes Picornaviridae viruses (e.g. FMD) have high mutation rates
lack of RNA proof-reading
FMD virus targets what cells
epithelial/keratinocytes
West Nile Virus replicates in what cells
keratinocytes, Langerhans, Dendritc cells
BVDV biotypes and cell tropism
non-cytopathic (most common)
cytopathic (CPE)
rapidly dividing cells - lymphocytes, monocytes, macrophages, epithelial cells
classical swine fever virus tropism
monocytes, macrophages, endothelial
equine arteritis virus tropism
macrophages, monocytes, lymphocytes
Porcine Reproductive and Respiratory Syndrome Virus tropism
alveolar macrophages
Porcine Respiratory Coronavirus mutant of ____
TGEV - deletion of E2 spike protein
when did PEDV emerge in US
April 2013
FIP mutant of _____
mutates in _____
replicates in ______
feline enteric coronavirus
mutates in intestinal epithelium
replicates in macrophages
herpesvirus inclusion bodies
eosinophilic intranuclear inclusion bodies
parvovirs inclusion bodies
intranuclear inclusion bodies
reoviridae inclusion bodies
intracytoplasmic inclusion bodies
Paramyxoviridae inclusion bodies
eosinophilic intracytoplasmic & intranuclear inclusion bodies