Vasculitis viruses

Question 1

how many general vasculitis inducing viral classes are there

Answer 1

5 groups: adeno, equarte, orbi, pesti, malig catarrhal

Question 2

equartevirus strand type and special characteristics

Answer 2

SS RNA, infects macrophages, PI animals

Question 3

where do all arteriviruses infect

Answer 3

macrophages

Question 4

herd of horses with edema, hemorrhage, fever, nasal discharge. #1 ddx

Answer 4

EVA (equartevirus)

Question 5

what are our three orbiviruses

Answer 5

blue tongue, african horse sickness virus and epizootic hemorrhagic diesase

Question 6

orbivirus characteristics and strand type

Answer 6

DS RNA. arthropod-borne, causes seasonal spikes of infection, noncontagious

Question 7

what species get blue tongue

Answer 7

sheep, and some cattle and goats

Question 8

what are the signs of vasculitis viruses

Answer 8

edema and hemorrhage: localized, petechial or systemic, fever.

Question 9

which syndrome of african horse sickness keeps transmission going

Answer 9

mild subclinical form in zebras and donkeys

Question 10

what are the two major diseases of WTD in the US

Answer 10

epizootic hemorrhagic diesease (orbi) and adenovirus. look exactly the same. test for ddx

Question 11

key features of pestiviruses

Answer 11

SS RNA. PI animals main source of virus. repro issues if dam infected

Question 12

what causes a PI pig causing petechial hemorrhage, an infarcts

Answer 12

classical swine fever

Question 13

transmission of hog cholera (classical swine fever, pesti)

Answer 13

uncooked swill, PI animals

Question 14

what is the only DNA virus that is arthropod vector transmission

Answer 14

african swine fever

Question 15

what is the main pathology for african swine fever?

Answer 15

cytokine storm and hemorrhage due to DIC. apoptosis of macros, monocytes and lmpyhocytes

Question 16

unique features about malignant catarrhal fever transmission

Answer 16

reservoir hosts (sheep) do not have clinical disease and cow-cow transmission does not occur

Question 17

what are the unique signs of malignant catarrhal fever in cattle

Answer 17

corneal edema, neuro signs, GIT hemorrhage

Question 18

what does the coggins test test for

Answer 18

equine infectious anemia (lentivirus)

Question 19

what is the most important transmission of Eq infectious anemia

Answer 19

flies.

Question 20

what is key for all lentiviruses

Answer 20

the lenti are for lifey

Question 21

equine with rucurrent bouts of fever, anemia, weight loss, edema, petechia

Answer 21

think equine infectious anemia (lenti)

Question 22

what is the most appropriate/common treatment for equine infectious anemia

Answer 22

complete isolation >200 yards away from other equine or euthanasia as QOL is significantly decreased in the herd animal

Question 23

what is classical swine fever

Answer 23

pestivirus, necrotizing tonsilitis