1

HUMAN DISEASES -AIDS CLASS IX PREPARED BY;G.K.VINAYAGAM P.G.T(BIOLOGY) K.V.DHARWAD

AIDS- IN A FRIGHTFUL EXPANSION !

MORE THAN 25 MILLION DIED BY 2002

& ABOVE 35 MILLION INFECTED….

2

INDIA HAS MORE THAN

4 MILLION HIV+

3BY G.K.VINAYAGAM

BY G.K.VINAYAGAM 4

[INDIA has the 2nd largest population of HIV infected. 35% reported AIDS cases are among 15-24 years.]

FIRST DETECTED IN 1981 IN USA AFRICA IS THE WORST AFFECTED BOTSWANA(38.8%),SWAZILAND,

ZIMBABWE, LESOTHO - >30% OF THE POPULATION AFFECTED

5BY G.K.VINAYAGAM

BY G.K.VINAYAGAM 6

WHAT IS AIDS ? AIDS-ACQUIRED

IMMUNODEFICIENCY SYNDROME

Caused by a virus HIV-

HUMAN IMMUNODEFICIENCY VIRUS

BY G.K.VINAYAGAM 7

FIRSTCONTRACTED THROUGH A TYPE OF GREEN MONKEY IN AFRICA & MUTATED TO VIRUS AFFECTING HUMAN ?

BY G.K.VINAYAGAM 8

Affects the immune system

BY G.K.VINAYAGAM 9

DestroysCD4+T Lymphocyte cells.

T-LYMPHOCYTE CELL

10BY G.K.VINAYAGAM

BY G.K.VINAYAGAM 11

LUC MONTAGNIER Discovered HIV in 1983 at Pasteur Institute in Paris

12BY G.K.VINAYAGAM

BY G.K.VINAYAGAM 13

AIDS VIRUS

BY G.K.VINAYAGAM 14

HIV- STRUCTURE

BY G.K.VINAYAGAM 15

DIFFERENT STAGES1. WINDOW PERIOD -4-8 /12weeks.Shows

symptoms of flu, fever, pneumonia,etc.2.ASYMPTOMATIC PHASE-6-10 YEARS Develops AIDS. 500-750 T-lymphocytes/ml blood.3.EARLY SYMPTOMATIC PHASE-

a few months to years. 500-200T-Lymphocytes/ml blood. Shows opportunistic symptoms4. LATE SYMPTOMATIC STAGE –

Less than 200 T-lymphocytes/ml blood.5.ADVANCED STAGE-Less than 50 T-

Lymphocytes/ml blood. 1-2 years.

HIV+

AIDS

16BY G.K.VINAYAGAM

T-LYMPHOCYTE AFFECTED WITH AIDS VIRUS

17BY G.K.VINAYAGAM

BY G.K.VINAYAGAM 18

DIAGNOSTIC TESTS ELISA test Rapid test /Spot test Western blot PCR- DNA

BY G.K.VINAYAGAM 19

WHEN TO BE TESTED? AFTER 3 MONTHS FROM THE

TIME OF POSSIBLE EXPOSURE

WHERE TO BE TESTED? IN HOSPITALS VOLUNTARY TESTING AND

COUNCELLING CENTRE [VTCC]

BY G.K.VINAYAGAM 20

A FEW SYMPTOMS Swollen lymph nodes Decreased count of blood platelets. Sweating at night. Weight loss. Brain damage,Dementia,Loss of speech,

thinking ability. Other infections- TB,Pneumonia,cancer

etc.

BY G.K.VINAYAGAM 21

TREATMENT

ART/HAART – ANTI RETRO VIRAL THERAPY

GENE THERAPY BALANCED DIET

BY G.K.VINAYAGAM 22

MODE OF TRANSMISSION.

1. SEXUAL

CONTACT.

2. BLOOD

TRANSFUSION.

BY G.K.VINAYAGAM 23

3. CONTAMINATED NEEDLES USED FOR DRUG ABUSE.

BY G.K.VINAYAGAM 24

4. INFECTED MOTHER

TO

NEW BORN BABY.

PREVENT HIV No sharing of needles- use disposable

needles

Avoid unprotected sex with unknown.

Mutually faithful monogamous sexual relationship with uninfected partner.

Proper medical care to prevent the transmission from infected mother to new born

Awareness about the disease

25BY G.K.VINAYAGAM

BY G.K.VINAYAGAM 26

AIDS QUILT

REMEMBER…..

NO CURE FOR AIDS NO VACCINE FOR AIDS TRADITIONAL HEALERS

&MEDICINES CAN NOT CURE HIV/AIDS.

NO ONE CAN BE GUARANTEED TO BE HIV FREE EVEN IF THEY ARE YOUR NEIGHBOURS OR SCHOOL/ COLLEGE MATES

27BY G.K.VINAYAGAM

LIVING POSITIVELY PLWHA- People

Living With HIV/ AIDS

Education should not not be denied to HIV+ children .

Refusal to study or work with HIV + should be pre-empted.

28BY G.K.VINAYAGAM

BY G.K.VINAYAGAM 29

NO RISK LOW RISK HIGH RISK

Going to school with a HIV+ person

Tattoos,ear piercing

acupuncture

Having many sexual partners

Sharing towels

Shake hand

Razors, blades, knives

Unprotected sex with unknown people

Contact with a person who lives with HIV+ if precautions followed

Sharing needles while injecting drugs,

Blood transfusion with blood not certified as HIV free

Mosquito bites HIV+ mothers milk to baby 30BY G.K.VINAYAGAM

BY G.K.VINAYAGAM 31

BY G.K.VINAYAGAM 32

BY G.K.VINAYAGAM 33

For some having AIDS is like living in the dark.

For others not having an understanding of AIDS, or its prevention is helping to keep others in dark. BE THE LIGHT !

BY G.K.VINAYAGAM 34

HIV positive . Com Provides information about living with HIV +

KNOW AIDS NO AIDS !