AIDs

Question 1

what was hypothesized to be causing AIDs?

Answer 1

male-male sex

Question 2

how was this hypothesis tested?

Answer 2

men were interviewed about their exposures

RESULTS: man with multiple sexual partners

Question 3

Case control studies are important in…

Answer 3

detecting causal relationships of symptoms

Question 4

what is a case controlled study?

Answer 4

start with outcome and asks patient with disease what may have caused it (EXPOSURE)
compare an effected and control group

Question 5

Advantages of a case control study?

Answer 5

cheap, easy to do, quick

Question 6

how many new infections of HIV per year?

Answer 6

2.7 million

Question 7

how many deaths due to HIV per year?

Answer 7

2 million

Question 8

what is ART?

Answer 8

anti retroviral therapy.

Question 9

compare mortality and prevalence with and without treatment

Answer 9

WITH TREATMENT: 
 decrease mortality 
increases prevalence 
increase incidence as more people alive that can pass it on
WITHOUT TREATMENT:
mortality increases
prevalence decreases

Question 10

By how much can circumcision reduce HIV by ?

Answer 10

60%

Question 11

How many people have been affected by hiv so far?

Answer 11

60 million

Question 12

How many people have died from HIV so far

Answer 12

25 million