HIV is a virus that is main cause of AIDS. HIV viruses break down the immune system of body. HIV virus enters in a body and starts the multiply in white cells of blood so starts the number of immune cell decreases, which protect the body from diseases.

HIV viruses can be transmitted during contact of blood or body liquid of the infected person. The concept behind the virus enters in a body is that the HIV virus needs to bind target cells with receptors on the surface and cells with these receptors are plentiful in the lining of the genital track and that of the anus.

The HIV enters in a body especially through the anal-rectal area because vagina is very delicate and can be torn as a result of friction generated during sexual interaction and bleeding starts.

HIV viruses decrease the efficiency of patient. The HIV viruses are the cause of many diseases like fatigue, weight loss frequently, fevers, headache for long time, nausea, vomiting, ulcers, Cough for long time, memory loss, depression and feels a lack of energy in his/her body.

There are many misconceptions about HIV viruses. The HIV viruses are not spread through:

•Coughs
•Towels
•Doorknobs
•Toilet seats
•Contact, hand shakes
•Mosquitoes or other insects
•Drinking in same glasses

The reasons of transmission of HIV viruses are other than these. The main reasons of transmission of HIV virus are unprotected sex, needle of injections, infected mother to newborn child and donation of blood.