HIV/AIDS

Question 1

HIV Diagnosis

Answer 1

HIV1/2 immuno-assay

if positive:
HIV1/HIV2 antibody to determine type and confirm diagnosis
however, if negative it may be that the infection was too early and antibodies have not yet been prodcuced

if negative:

NAAT test
if positive HIV
if negative, initial result was a false positive

Question 2

vaccinations in HIV

Answer 2

3 doses of hep B virus vaccine
both pneumococcal vaccines

MMR (live attenuated) only if cd4 counts greater than 200

Question 3

Prophylaxis in HIV

Answer 3

bactrim if cd4 less than 200 (PCP)
bactrim if cd4 less than 100 (toxoplasmosis)
Azithromycin if cd4 less than 50 (mycobacterium)

Question 4

treatment

Answer 4

generally 3 drugs

2 nucleoside reverse transcriptase inhibitors

and
integrase inhibitor + Cobicistat (booster)
protease inhibitor + Ritonavir (booster)

truvada is tenofovir and emtricitabine