1. Blood Types, AIDS and HIV

2. Blood Types
There are 4 blood types: A B AB O

3. Antigens and Antibodies for the Blood TypesAB O
Antigens (on RBC) A B
A, B
none
Antibodies (in plasma)
anti – B
anti-A
none
anti-A, anti-B

4. Matching Blood Types for Transfusions
If you have blood type:
You can receive:
A B AB O
A, O
B, O
A, B, AB, O O

5. Universal Donor/Recipient
Universal Donor = O
Universal Recipient = AB
Blood Transfusion – is the transfer of blood from one human to another human’s circulatory system
Rh factors – group of antigens found on RBCs
Either + or -

6. What is the most common blood type in the USA?
O+……………….. A+……………….. B+……………….. O-………………... A-………………... AB+……………… B-………………... AB-……………….
38% 34% 9% 7% 6% 3% 2% 1%

7. AIDS Acquired Immune Deficiency Syndrome
Damages the immune system so you can’t fight off disease

8. HIV Human Immunodeficiency Virus
Attacks the helper T cells of the immune system

9. How is AIDS spread? Unprotected sexual activity Blood to blood contact
Sharing needles or intravenous drug use
Maternally - By an infected pregnant woman to her unborn child