Wk 2 Review of Wk1

Question 1

ADD virus slides

Question 2

What is tropism?

Answer 2

=capacity to infect a specific cell type
-determined by receptor availability and specificity

Question 3

What is the antigenetic shift in influenza

Answer 3

Reassortment
* Exchange of segments to which large segments of the population have no immunity
* Drift is due to mutation, change not as abrupt

Question 4

Human Herpes Viruses

Answer 4

• Alphaherpesviruses
• Herpes simplex virus (HSV-1 and HSV-2) * Varicella-zoster virus (VZV)
• Betaherpesviruses
• Cytomegalovirus (CMV) * HHV-6 and HHV-7
• Gammaherpesviruses
• Epstein-Barr Virus (EBV)
• Kaposiʼs sarcoma-associated herpesvirus (KSHV,HHV-8)