Origin of HIV
The mystery of HIV and its origins is one that cannot be easily solved. In the thirty-odd years which have passed since the official recognition of AIDS by the CDC and the subsequent search for its cause, various theories have been floated regarding its nature, its development, its ability to adapt, our ability to combat it, and -- most importantly for some -- its origin. How did the virus come into being? Viruses are known for altering over time and according to circumstances. They have a way of "bending" in order to make due -- of manipulating themselves in such a way so as to survive. This is no less true for HIV than for influenza. Just as variants of influenza appear each year to wreak havoc on the human population, variant-strains of HIV continue to be discovered, suggesting that the virus is still developing, still finding a way to out-maneuver medical science.
However, if it is possible to discover just how HIV came to be, it may be possible to find a better way to combat it. In the animal kingdom, immunodeficiency viruses are found in felines (FIV) and in simians (SIV). Strains of SIV, particularly in Africa, show a remarkable similarity to HIV strains, suggest to many researchers that the "missing link" in the HIV origin story does indeed have something to do with the simian species of primate mammals.
Discerning the precise "link," though, has been much more difficult than evaluating the development of HIV. Assessing the development of a virus requires only a skillful eye and an ability to document change, alteration -- each new manifestation of the virus as it transforms and adapts. Discerning the origin, on the other hand, is like solving the crime. It clarifies the "event" -- takes an abstract hypothesis and puts it into concrete terms. It provides times, dates, places, persons involved. Such certainty is highly unlikely to be discovered in the case of the HIV origin story. Yet, while there are many unknowns -- many variables and factors that fail to yield solid ground, the trail has not dead-ended. Plenty of headway has been made towards discovering the precise conditions surrounding the birth of HIV. Whether scientists will one day be able to isolate it to one incident -- a single event in time -- or whether the best they will be able to do is to suggest several likely scenarios -- this much remains to be seen. For now, the clues are being followed and a better understanding of the origin of HIV is coinciding with researchers' focus on the virus' development.
First Discovery
In 1981, a startling new infectious disease was named by the Centers for Disease Control (CDC). At the time, it appeared (in the United States) that those who contracted the disease were primarily young, homosexual males. Nothing quite like it had ever been seen. The symptoms were nothing really new. Those who had it underwent a rapid deterioration of health: they began to appear older than they really were; they lost weight, hair; they became extremely sensitive to mild and normally easily combated "opportunistic infections," which all too often appeared to physicians as the cause of the disease. Medics tried treating the various symptoms -- but an improper understanding of what was behind them made their attempts ineffective. What appeared to cancer-caused lesions on the face and arms were not merely cancer-caused lesions. What appeared to be a body's inability to combat ordinary infections was not merely as simple as that.
Moreover, those mostly affected in the United States by this immunodeficiency existed outside the mainstream culture: they were marginal, misfits, people whose ways of life did not necessarily gel with the socially-approved mores of the mainstream. By the mid-80s it was known as the "gay disease" or the "gay plague." It seemed to originate in people who preferred that style of living. Because that style was, at the time, still relatively taboo in American culture, a precise grasp of the nature of disease was far from being discerned. The answer to how it was transferred led thousands of unwitting medical patients to contract it through blood transfusions. Screeners were not yet in place to deal with this sort of virus. They soon would be.
The cause of the disease would later be identified as the human immunodeficiency virus, better known today as HIV. The disease was AIDS -- Acquired Immune Deficiency Syndrome, so-termed by the Centers for Disease Control the following year. It attacked the patient's immune system, the individual's...
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