(Dr. Yan) Which is the best way to handle materials contaminated by prion?

When attempting to isolate virus from animals during an outbreak of disease, one is most likely to successfully identify the virus if animals are sampled at which time? (Assume this is a virus that does not cause permanent, life-long infection.)

(Dr. Yan) What is the common cause of respiratory disease in feline?

(Dr. Yan) Kuru, Mad cow disease (BSE), Scrapie, Chronic wasting disease, Variant CJD all are animalprion diseases. 

(Dr. Wang) The genome of the viruses in Paramyxoviridae is?

(Dr. Wang) Rabies virus most commonly uses which route to the CNS?

These are the more accurate and efficient methods to detect West Nile virus infection in horses:

(Dr. Yan) Calicivirus has only one Open Reading Frame (ORF).

(Dr. Yan) What is most important genus of orthomyxovirus family in avian species?

(Dr. Yan) To control mad cow disease, every cow has been tested before slaughter.