This virus attacks the body immune system. By this body loses its ability to fight with infections and diseases causing infections.After infection a person may not show any symptoms of the diseases for a period of about 2-15 years.After reaching the aids stage the following may appear
1.tiredness
2.fever
3.diarrhoe
4.loss of weight
5.heavy breathing
6.enlargement of limph glands
In reality there is no treatment for AIDS.
Tuesday, September 6, 2011
STD O/L Biology
Sexually transmitted infections
Sexually
transmitted infections are those diseases that can get transmitted from one
person to another as a result of sexual conduct between two persons.
Not only
sexual conduct but also the following factors are influence to spread those
diseases.
1.blood
transfusions
2.by
stringes and neetles
3.by shaving
blades and surgical instruments
4.through a
infected mother
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