HIV

Question 1

What type of virus is hiv

Answer 1

Lentivirus

Question 2

How does HIV tranmit

Answer 2

Through body fluids

Question 3

What is isolated by invitro PCR in HIV
used for?

Answer 3

Peices of the HIV genome which can be used to compile a phylogenetic tree via allignement

Question 4

What are two explinations for the different viral strands found in individuals

Answer 4

1. Individual is infected by multiple viruses
   - Against: viruses are more simlar within individuals than between individuals
2. Viruses are mutating
   - Against: Some paitents have sequences in multiple parts of the tree

Question 5

What does the terms proximate and ulitmate mean

Answer 5

Proximate - the mechanisum causing change
Untilmate - What is causing the change

Question 6

What is the concequence of HIV being rapidly mutating

Answer 6

• paitents have an armada of different viruses ready for different selective pressures
• resistant to therapys even complex ones occurs
• making an effective vaccine is very hard

Question 7

How many different HIV viruses are estimated in an individual

Answer 7

5e10