History of hiv aids summary

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#1 History of hiv aids summary

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History of hiv aids summary

Here, we go through the key historical moments that have defined the HIV epidemic over the past 30 years. You can also explore our interactive timeline which features video, photos, data, audio and more. HIV was unknown and transmission was not accompanied by noticeable signs or symptoms. While sporadic cases of AIDS were documented prior toavailable data suggests that the current epidemic started in the mid- to late s. In this period, betweenandpeople History of hiv aids summary have already been infected. Incases of a rare lung Sexy japanese pssy called Pneumocystis carinii pneumonia PCP were found in five young, previously healthy gay men in History of hiv aids summary Angeles. In Decemberthe first cases of PCP were reported in people who inject drugs. By the end of the year, there were reported cases of severe immune deficiency among gay men - Women lick chilli them had died. In Junea group of cases among gay men in Southern California suggested that the cause of the immune deficiency was sexual and the syndrome was initially called gay-related immune deficiency or GRID. Later that month, the History of hiv aids summary was reported in haemophiliacs and Haitians leading many to believe it had originated in Haiti. AIDS cases were also being reported in a number of European countries. In Ugandadoctors reported cases of a new, fatal wasting disease locally known as 'slim'. In JanuaryAIDS was reported among the female partners of men who had the disease History of hiv aids summary it could be passed on via heterosexual sex. In June, the first reports of AIDS in children hinted that it could be passed via casual contact but this was later ruled out and it was concluded that they had History of hiv aids summary directly acquired AIDS from their...

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From through , the average life expectancy for people diagnosed with AIDS was 18 months. The family members, loved ones, and health care professionals who witnessed, died, or survived the early years of the AIDS epidemic in the United States experienced an unimaginable holocaust. Hundreds of young people died each week. It was a time and system that lacked the medical, ethical, technical, and spiritual resources to soften the blow of so many young people dying of so mysterious an illness. Since and as of January , about 1. According to the National Institutes of Health NIH , HIV infections are increasing more rapidly among women, who contract the virus primarily through unprotected sex with an infected male partner. AIDS cases among women increased threefold from to Though the rate of HIV infections continues to increase in the United States, the number of AIDS cases has fallen dramatically since , when antiretroviral drugs came onto the market. HIV-related infections and cancers are much less common and much easier to treat with the potent combination antiretroviral therapy. Unfortunately, the AIDS epidemic continues in Africa and much of Asia, where antiretroviral therapy is not available and health care is seriously inadequate. AIDS is the fourth leading cause of death worldwide, the 1 cause of death due to infectious disease, and has surpassed malaria as the 1 killer in Africa. There are more than 2. More than 16 million people have died from AIDS. Because of its incredible toll on human life, the United States formally identified AIDS as a threat to world security, expecting it to have catastrophic long-term consequences in sub-Saharan Africa, South Asia, and the former Soviet Union. AIDS is the leading cause of death in southern Africa. Sub-Saharan Africa makes up one-tenth of the world's population, but two-thirds...

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For those of us lucky enough to be around to remember how it all began, this will be a reminder. For the younger crowd and those for whom dealing with HIV is a relatively new experience, I hope this brief history of HIV will be informative and provide a different perspective for you. It is likely that we will never know exactly where, when, and how HIV came into being. The most prevalent theory is that it mutated from SIV Simian Immunodeficiency Virus , which has been identified in certain subgroups of chimpanzees found in west-central Africa. It is not believed to have crossed-species a process called zoonosis through sexual contact sorry to the zoophiles , but through the food chain. Long story short, "Chimp Zero" hunts, kills and eats one infected red-capped mangabey and one infected greater spotted nosed monkey, the two different strains of virus have a viral quickie and a new strain of SIV is born, with the capability of mutating in a human host. Our unlucky chimp friend in turn is hunted, killed, and butchered. The virus mutates to adapt to the human environment and -- voila! We now have a previously unknown retrovirus with the ability to destroy the human immune system that is spread through one of humanity's favorite pastimes. Advertisement Some indications of when this happened come from records showing HIV present in a plasma sample taken in from a man in what is now the Democratic Republic of the Congo, a tissue sample from a teenager from St. Louis who died in , and another tissue sample of a Norwegian sailor who died in Shortly after this in the mid-late 70's, the beginnings of the pandemic as we know it began to emerge. Otherwise young, healthy gay men began being diagnosed...

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The human immunodeficiency virus, or HIV, is a virus that attacks the immune system, specifically CD4 cells or T cells. The virus is transmitted through bodily fluids such as blood, semen, vaginal fluids, anal fluids, and breast milk. Historically, HIV has most often been spread through unprotected sex, the sharing of needles for drug use, and through birth. A person with AIDS is very vulnerable to cancer and to life-threatening infections, such as pneumonia. Scientists have traced the origin of HIV back to chimpanzees and simian immunodeficiency virus SIV , an HIV-like virus that attacks the immune system of monkeys and apes. Chimps, the scientist later discovered, hunt and eat two smaller species of monkeys—red-capped mangabeys and greater spot-nosed monkeys—that carry and infect the chimps with two strains of SIV. These two strains likely combined to form SIVcpz, which can spread between chimpanzees and humans. Researchers believe the first transmission of SIV to HIV in humans that then lead to the global pandemic occurred in in Kinshasa, the capital and largest city in the Democratic Republic of Congo. The virus spread may have spread from Kinshasa along infrastructure routes roads, railways, and rivers via migrants and the sex trade. International travel from the United States helped the virus spread across the rest of the globe. In , the Centers for Disease Control and Prevention CDC published a report about five previously healthy homosexual men becoming infected with Pneumocystis pneumonia , which is caused by the normally harmless fungus Pneumocystis jirovecii. This type of pneumonia, the CDC noted, almost never affects people with uncompromised immune systems. The following year, The New York Times published an alarming article about the new immune system disorder, which, by that time, had affected people, killing of them. Because the disease appeared to affect mostly homosexual...

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Today, HIV human immunodeficiency virus , remains one of the largest pandemics in the world. Before the s, researchers estimate that about , to , people were infected with HIV. The earliest case in North America was confirmed in , in Robert Rayford, a year-old teenager, who never left the Midwest and never received a blood transfusion. A year after scientists identified AIDS, they discovered the cause: Originally people believed that only certain people were at risk for HIV. The number of cases continued to grow as the CDC refined their case definition, and scientists learned more about the virus. By , complications from AIDS was the leading cause of death for adults 25 to 44 years old. But death rates began to decline after multidrug therapy became widely available. The number of deaths has since dropped from 38, in to 14, in Azidothymidine, also known as zidovudine , was introduced in as the first treatment for HIV. Scientists also developed treatments to reduce mother to child transmission. It caused a 47 percent decline in death rates. The test kit allowed hospitals to provide results with Also in , the CDC reported that 40, new infections occurred each year. It was later discovered the number was closer to 56, infections. This number remains roughly the same since the late s. The World Health Organization set a goal to bring treatment to 3 million people by By , about 5. The FDA approved Combivir in Combivir combines two drugs into a single medication, making HIV medications easier to take. Researchers continued to create new formulations and combinations to improve treatment outcome. By , there were up to 20 different treatment options and generic drugs, which helped lower costs. As of , studies have shown that a person...

History of hiv aids summary

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Scientists have traced the origin of HIV back to chimpanzees and simian immunodeficiency virus (SIV), an HIV-like virus that attacks the immune system of monkeys and apes. SIVcpz likely jumped to humans when hunters in Africa ate infected chimps, or the chimps' infected blood got into the cuts or wounds of hunters. Nov 14, - HIV, the virus that causes AIDS, was not isolated until More about HIV/AIDS · HIV Overview, Incidence & Prevalence of HIV · HIV Life. A lot has changed about HIV/AIDS in the last 30+ years. Learn about the history of HIV/AIDS in the U.S.

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