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(Dr. Yan) Which strategy is not correct to control bovine leukemia? (2 points)

(Dr. Wang) Which of the animals have been reported to infect canine distemper virus?

(Alejandro Banda) This is the transmission cycle of:

(Dr. Yan) The usage of avian influenza vaccine requires approval by state vet or USDA approval.

(Dr. Yan) Avian influenza A has 18 HA subtypes and 11 NA subtypes. What are the possible number of influenza A strains?

(Dr. Wang) Canine distemper virus can cause ___________ in dogs.

(Dr. Yan) How is prion transmitted?

(Dr. Wang) Which of the following proteins is involved in the attachment of paramyxoviruses?

(Dr. Yan) Prion is an infectious agent that is composed of primarily of protein.

(Dr. Yan) Which clinical sign is not associated with Equine Infectious Anemia?