The HIV is Human Immuno-deficiency virus. It destroys the human immunity system. This virus causes the AIDS – Acquired Immuno- Deficiency syndrome an incurable disease. This disease is caused by the viruses which prevents formation of the WBCs, white Blood cells – a constituent of blood which are responsible for our immunity.
Destroying the WBC and preventing them formation, human natural immunity, that is power to fight against disease, is reduced and gradually extinct, making the body prone to various diseases. The person, who is affected by HIV, then becomes carrier, of them and infects other persons also.
This communicable disease is sexually transmitted; the other way is through body third and infected syringes and blood transmission. This disease has spread so fastly in the world, especially in developing world that it has posed serious menace against the human existence. Africa, Asia, Latin America and other parts of the world has come under its cover. Today (in 2000) about 35 million people are HIV infected of which 29 million are in sub-Saharan countries.
African and Asian countries are under highest spread of HIV, South Africa being the largest HIV infected land while in terms of number of HIV Patients; India is emerging as the Leader.
Its spread in poor countries can be attributed to economic factors, Ignorance and illiteracy, Social and Traditional and Political factors.