Exam 2: Iridoviridae and Asfarviridae

Question 1

What are the nucleotides found in the genome of iridoviridae?

Answer 1

5-methyl deoxy-cytosine residues

Question 2

What are the viruses in the iridoviridae family?

Answer 2

Iridoviruses
Chloriridovirus
Ranavirus (frog virus)
Lymphocryptovirus
Soft-shelled turtle iridovirus
Lymphocystitis

Question 3

What are the reservoirs of African swine fever?

Answer 3

African wild boars, bushpigs, and warthogs

Question 4

What are the transmission vectors of African Swine fever?

Answer 4

Soft ticks, especially Ornithodoros erraticus and Ornithodoros moubata

Question 5

What happens if ASF appears in the US?

Answer 5

It is a reportable FAD in the US, so it should be reported

Question 6

What kind of disease is associated with ASF?

Answer 6

Lethal, hemorrhagic disease

Question 7

Describe the mechanism of ASF transmission

Answer 7

From the sylvatic cycle to domestic pigs is most likely through infected Ornithodoros ticks feeding on pigs
The virus is transmitted between domestic pigs by either direct or indirect contact

Question 8

Is there a vaccine for african swine fever?

Answer 8

No