Page 456 - Primary Six Notes

Causes of AIDS

AIDS is caused by retro-virus called HIV (Human Immunodefi-

ciency Virus) commonly called AIDS virus.

Once within the body the HIV infects cells of the immune sys-

tem that form the body’s defense system and makes them una-

ble to fight off infections.

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Transmission of AIDS virus

 AIDS virus can only survive in the human body.

 The disease can be spread when body fluids of an infected

person get into contact with that of the healthy person.

Body fluids can be exchanged in the following ways:

 Sexual contacts with an infected person.

 Blood transfusion from an infected person.

 Sharing or using sharp cutting instruments