(Dr. Yan) 2019 is the first year we have Chronic Wasting Disease in MS. 

(Alejandro Banda) This virus induces destruction of terminally differentiated enterocyte, and shortening of intestinal villi with increase of immature and less differentiated cells

(Alejandro Banda) The arthropod Culicoides varipennis var sonorensis plays a role as the biological vector of

True or false: infectivity of some viruses can be improved by the action of intestinal proteases such as trypsin.

(Dr. Yan) Select the lists of diseases were all caused by Calicivirus?

Which of the following does not produce a hemorrhagic disease? (2 points)

Parvoviruses replicate in rapidly dividing cells because:

Immune suppression related to circovirus infection is particularly related to their tendency to infect which type of white blood cell?

(Alejandro Banda) During the enzootic cycle, this virus circulates only in small mammals such as cotton or spiny rats, and disease in humans and domestic animals rarely is seen. However, during the epizootic cycle, “epizootic viral subtypes” may infect mammals including humans, and horses can serve as amplification hosts.

(Alejandro Banda) The only genus included in the Togaviridae family is: