The document discusses HIV and AIDS. It defines HIV as the human immunodeficiency virus that attacks the immune system. AIDS is defined as acquired immunodeficiency syndrome, which is the medical condition where the immune system is too weak to fight infections. HIV damages CD4 cells, which are part of the immune system. This ultimately leads to immunodeficiency and multiple opportunistic infections, which characterizes AIDS. The stages of HIV infection are also outlined, from initial infection to symptomatic stage to AIDS. Treatment with antiretroviral medicines can stop progression to AIDS.
2. HIV & AIDS
HIV: Human
immunodeficiency
virus .
AIDS: Acquired
immune Deficiency
syndrome
HIV is a virus which
attacks immune
system in humans.
AIDS is a
medical
condition
(immune
system is too
weak too
fight
infections).
3. The Human Immunodeficiency Virus or HIV virus is a
unique type of virus (a retrovirus). The human
Immunodeficiency virus is alentivirus that causes the
acquired Immunodeficiency syndrome, a condition in
human in which progressive failure of the immune
system allows life-threatening opportunistic
infections and cancers to thrive.
AIDS is a condition known as acquired
immunodeficiency syndrome. AIDS is caused by the
human immunodeficiency virus or HIV.the first cases
of AIDS were identified more than 20 years ago in
san francisco and New York. Today it is estimated
that more than 42 million people worldwide are living
4. HIV Opportunistic Infection
If your CD4 < 500:
1) Bacterial infections
2)Tuberculosis (TB)
3)Herpes Simplex
4)Herpes Zoster
5)Vaginal candidiasis
6) Hairy leukoplakia
7) Kaposi’s sarcomas
5. Virus enters the immune cells (CD4 cells )
Gets integrated to the cells nucleus
Replicates inside the cells
Ultimately destroys the immune cells
Immunodeficiency
Multiple infections
6. HIV
• HIV is the virus that causes
HIV infection.
• HIV damages the immune
system by killing CD4 cells.
AIDS
• AIDS is the last stage of HIV
infection
•HIV medicines can stop HIV
infection from progressing to
ADIS .
•Without HIV medicines , HIV
advance to ADIS is about 10 to
12 years .
CD4 cells
•CD4 cells are part of the immune
system .
•HIV attecks & kills CD4 cells .
7. Stage 1 – Primary
• Short, flu-like illness-occurs
one to six weeks after
infection
• Infected person can infect
other people
Stage 2 - Asymptomatic
•Lasts for an average of ten years
•This stage is free from symptoms
•There may be swollen glands
•The level of HIV in the blood
drops to low levels
•HIV antibodies are detectable in
the blood
8. Stage 3- Symptomatic
• The immune system
deteriorates
• Opportunistic infection
and cancer start to
appear.
Stage 4 – HIV AIDS
•The immune system
weakens too much as CD4
cells decrease in numbers.
10. •HIV Virus found
•Have the HIV Virus and
can pass to other
•Need to begin
treatment
•No HIV found
•May not have (consider
the window consider
period)
•Retest in 3 months
Negative
-
Positive
+
11. 3 Things To know about HIV
TreatmentHIVmedicinescan’tcureHIV,buttheyhelppeoplewith
HIVlivelonger,healthierlive.
peoplewithHIVtakeacombinationofHIVmedicines
everyday.TheHIVmedicinespreventHIVfrom
advancingtoAIDS.
HIVmedicinesreducetheriskofHIVtransmission.But
peoplewithHIVshouldstillusecondomsduringsex.
12.
13. Adults and children
living with HIV 33.2 million
Adult and child deaths
from AIDS 2.1 million
Adult and children
newly infected with 2.5 million
HIV