SOSC 1801 Lecture Notes - Lecture 4: Aids, Extreme Weight Loss, Immunodeficiency

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Since 2000 over 38 million people became infected by hiv. 25 million people have died due to hiv related reasons. Since the epidemic began over 58 million have become infected. Hiv/aids is the 6th largest cause of death around the world. Individuals can live with hiv without developing aids. The very first case of hiv was in u. s. a in 1981. In 1983 hiv was identified as a virus that causes aids. Particular groups were hit hard: in the u. s. a substance abuse was a huge player in the spread of hiv. Transmission was identified to be from blood to blood contact. Earliest cases were homosexual and bisexual men: msm (men who have sex with men, these men were mostly urban white elite educated msms. Hiv is not a single virus; multiple viruses. Believed to have come from non-human primates: through the process of hunting and killing, virus moved from non-human to human. Hiv virus cannot exist without the human body.

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