I don't know where to post this @first whether Health,Education or Romance/sexuality section...

HIV means Human Immune Virus which means it can be transmitted from human to human.The virus was originally identified in paris on May 1983 by Luc Montagnier.It belongs to a group called retroviruses While Aids stands fos Acquired immuno Deficiency Syndrome..It is HIV that later develop into AIDS

STAGES OF HIV=> 1.Acute infections<6-9weeks> .This is also known as Window stage.This stage brings about little or no symptoms of the virus 2.Assymptomatics HIV infections =>normal CD4 cell counts is between 400 and 1600 but as the disease reach this stage,it begins to drop 3.Symptomatics HIV infection=> The immune systen begins to lose battle and thu these symptoms begins to appear such as rapid weigth loss,diarrhea,oral thrush and ulcers,shingles<a painful skin rash>,Meningitis,night sweating,frequent memory loss e.t.c 4.Full blown Aids=>now at this stage the CD4 cells,which are the Cells in the white blood cells<immune system> drops below 200 and thus chronic symptoms appear such as T.B,Cancer such as cervical cancer,pneumonia,HIV dementia,enlarged lymph nodes,liver or spleen e.t.c ..And eventually death...NOTE=>Symptoms may not be as a result of HIV but may also be caused by flu e.t.c.thus,going for HIV test is the only way to be certain. .

HIV/AIDS as a Global Epidemic=>Hiv's rapid spread through different part of the world has led to it being described ar a global epidemic.Although the global Hiv epidemic is not growing anymore.It remains at an unacceptible high leve.UNAIDS estimated that in 2007,there were 33million people living with the virus accross the world...Sub-Sahara Africa<Africa countries South of the sahara desert> has more people with HIV/AIDS and AIDS death than any other part of the world.67% of all HIV positive and 72% of all Aids death were in Sub-sahara in 2007.. Globally,there are around 2million H+ Children younger than 15years of whom 90% live in Sub-sahara Africa..There are still around 2.7 million new infections every year.

at what stage will ARVs not work?

yamakuza: at what stage will ARVs not work?

It works best at the early stage.