The immune system defends the body against infection. AIDS is caused by the HIV virus, which attacks the immune system by targeting white blood cells called CD4 cells. HIV was first observed in 1981 in the United States. A person infected with HIV may have no symptoms initially. The only sure ways to prevent HIV transmission are not having sex without protection, not sharing needles, and avoiding unsafe blood transfusions.

1. AIDS
(Acquired immuno- deficiency syndrome)
Done by / HASSAN ALSHAMRANI

2. Introduction
•The immune system is a complex
network of cells and proteins that
Defends the body against
infection.
•The main parts of the immune
system.

3. Common disorders of the immune system:
Allergic diseases
asthma
Autoimmune diseases
Psoriasis.
genetic disorder
autism
Infections diseases
AIDS/HIV

4. WHAT IS THE
AIDS ? • AIDS stand for acquired
immune deficiency syndrome.
• ADIS is caused by virus called
human immunodeficiency
virus (HIV)

5. • (HIV) is an infection that attacks
the body’s immune system, specifically
the white blood cells called CD4 cells.
•It’s pandemic in distribution and
is seen in all around The world.
AIDS/HIV

6. first recognized
•AIDS was first clinically observed
in 1981 in the United States.
•Both HIV-1 and HIV-2 are believed
to have originated in non-human
•A person infected with HIV often
have no symptoms
This Photo by Unknown Author is licensed under CC BY-SA
Françoise Barré-Sinoussi, co-discoverer of
HIV

7. What are the stages of HIV?
Stage 1: Acute HIV
Infection.
.
Stage 2: Chronic
HIV Infection
Stage 3: AIDS

8. TYPES
There are two main
types
HIV – HIV-1
HIV-2

9. COMMAN
SIGN &
SYMPTOMS

10. DIAGNOSIS
❑ BLOOD DETECTION TEST
❑ URINE TEST
❑ ORASURE TESR

11. Complications

12. prognosis
Prognosis of a disease is
defined as the outcome
or the expected course of
the disease.
Factors that affect the outcome of people with HIV
include:
❑ CD4 cell count.
❑ Viral load in blood.
❑ Age of the patient.
❑ infections with hepatitis B or C virus.
❑ Injectable drug abusers
❑ heart disease or liver disease

13. Modes of HIV/AIDS Transmission

14. Treatment

15. Preventive Measures
❑The only sure way to prevent
HIV/AIDS is not to have
sex and not to share IV drugs
or equipment with anyone
❑Avoid blood or blood product transfusions
In unreliable places

16. Take Home messages
• The immune system is Defends the body against infection.
• ADIS is caused by virus called human immunodeficiency virus (HIV)
• (HIV) is attacks the body’s immune system
• HIV/AIDS Transmission by unsafe sex, Avoid blood or blood product transfusions
• People may not have any symptoms or get sick during AIDS INFECTION.

17. • https://en.wikipedia.org/wiki/HIV#Discovery
• https://www.aids.gov.hk/pdf/g190htm/i_index.htm
• https://www.avert.org/professionals/hiv-science/types-strains
• https://www.cdc.gov/hiv/basics/whatishiv.html
• https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/immune-system
• https://www.who.int/hiv/data/en/
• https://www.cdc.gov/hiv/basics/whatishiv.html
• Harsh Mohan Textbook of pathology, 7th edition.