Lecture 21 AIDS Flashcards
More than 2 Billion people have died of HIV, T/F?
False, you cannot die from HIV, only from its opportunistic infections
Koch’s postulates for HIV as the cause of AIDS are?
- cause associated with disease
- pathogen can be isolated/grown out of host
- pathogen transmits to others
The first case of HIV was where?
Congo in Kinsasha
What is the msot common form of HIV? Which one is Africa containted?
HIV1 most common, HIV2 west africa
Origin of HIV1 is
chimpanzees
Origiin of HIV2 is
sooty manganeeze monkey
The mechanism of HIV is:
depletion of CD4 helper T cells, and then Ols infection happens
Describe acute HIV phase
asymptomatic or flu/mono symptom, 2-8 wk, negative by antibody test, high viral load
Describe the asymptomatic stage of HIV
HIV pos with detectable antibodies, years, heavy destruction of immunity/CD4
How long is the normal progression of HIV caused AIDS? What about slow and fast
5-10 years, slow is 10-20 and fast is 2-3
What type of virus is HIV?
retrovirus, 2 RNA molecules and lipid membrane
What are the HIV viral proteins?
Pol, Gag, Env
The early risk coreceptor for HIV is
CCR5 (but isn’t essential)
A polymerase makes mistakes in HIV (drift/Shift)?
Shift
Within 24 hrs, how many variations does HIV make?
10 Billion
Name a 20 min HIV test with lots of false positivies
oroquick
Reporting issues with HIVincluse
names/codes, confidentiality/anonymity, info differences btwn states
HIV drugs include
CCR5 blocker, protease inhibitors, INTI etc
HIV drugs cure HIV, T/F?
false, they syppress symptoms
What can be taken before intercourse to prevet HIV?
PreP pill
An unusual treatment that was historically used to treat HIV was
BMT
How many ppl infected with HIV since 1980?
75 million
How many people died from AIDs related illness since 1980?
34 million
3/4 of subsaharan HIV infections are ___
girls :(
Where are HIV #s the highest in the US?
Northeast and south
Which population si most affected by HIV in the US?
African americans, men die more
Women who have HIV can transmit HIV from breastfeeding T/F?
TRUE, so it is discouraged
Condoms are __% effective for HIV prevention
60