AIDS Flashcards
When was the first case of AIDS identified?
1959, UK
Which groups were involved in early HIV trials because of the high prevalence?
- Men who had frequent male-male sexual contact
- IDU users
- High risk heterosexual contact
What is case clustering?
Relate this to HIV
Cases developing at common places or similar times
Case clustering was seen to be occurring in those having sexual contact with one another
What is happening to HIV prevalence and incidence?
The prevalence is increasing and the incidence is staying the same so perhaps prevention isnβt working
How many people have been infected with HIV?
60 million
What is the incidence of HIV per year?
2.7 million
How many people die per year due to HIV?
2 million
What is the effect of ART on mortality?
Mortality decreases
What is the effect of ART on prevalence?
The prevalence is increasing
What is the effect of ART on incidence?
May increase as more transmission e.g. between partners and to their offspring. However treatment can lower levels so person is no longer able to transmit so incidence may reduce
Why is it hard to get everyone on ART?
Expensive
Why is ART useful to pregnant women?
Can prevent them transmitting to their child
From which animal did HIV originate?
chimpanzees
What are some of the HIV preventative methods?
- safe sex
- safer injection practice
- condom use
- male circumcision
What is needed to work through the HIV epidemic?
vaccines