Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Global reports have announced that the massive number of HIV which used to threaten the Earth has declined. Statistics have shown that the deaths from HIV/AIDS in sub-saharan Africa has dropped by 32%. According to medical findings, the greatest success lies in the great efforts which have been made to prevent mothers from infecting their babies. The other factors which have contributed in the fruitful decline are: importance and time given to constant testing; treatment being effected on high-risk groups like gay men, prostitutes and drug addicts and the sensitization of the public about safe sex. Meanwhile, the United Nations has stated that better access to drugs that can both treat and prevent the incurable human immunodeficiency is gradually allowing the eradication of the worldwide AIDS epidemic. Indeed, medical experts have highlighted that to get people on antiretroviral drugs makes them 96% less likely to infect others. However, officials have underlined that the progress is steady but slow!