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HIV probably transfers to humans in Africa between 1884 and 1924. HIV is from a descendant of a Simian Immunodeficiency Virus, likely from the sub-group of chimps known as Pan troglodytes troglodytes.
Likely jumped from chimps to humans as a result of transmission of animal blood during hunting/ slaughter
Virus slowly spread over years across Africa and into other parts of the world. -
From a descendant of a Simian Immunodeficiency Virus, likely from the sub-group of chimps known as Pan troglodytes troglodytes.
Likely jumped from chimps to humans as a result of transmission of animal blood during hunting/ slaughter
Virus slowly spread over years across Africa and into other parts of the world -
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African doctors see a rise in opportunistic infections and wasting.
Western scientists and doctors remain ignorant of the growing epidemic. -
Rare types of pneumonia, cancer and other illnesses were being reported by doctors - mostly in Los Angeles and New York - among male patients who reported having had sex with other men (MSM).
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AIDS is detected in California and New York.
The first cases are among gay men, then injecting drug users. -
In 1982, the term “AIDS” was used to describe the rare opportunistic infections and the CDC linked the disease to blood.
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AIDS is also reported in several European countries.
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Experts become more confident that the cause of AIDS is infectious.
Three thousand AIDS cases have been reported in the USA; one thousand have died. -
In 1983 and 1984, French and U.S. scientists discovered the actual virus that causes AIDS.
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1984-85
Western scientists become aware that AIDS is widespread in parts of Africa. -
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The FDA approved the first HIV antibody test and blood products in the U.S. and Japan began to be tested.
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Uganda begins promoting sexual behaviour change in response to AIDS.
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The UK and other countries act to raise awareness of AIDS.
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Health ministers meet to discuss AIDS and establish a World AIDS Day.
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Infant HIV infections begin to fall in developed countries, due to use of AZT.
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In developed countries, many people begin taking the new treatment.
Annual global spending on AIDS in low- and middle-income countries is $300 million. -
IDS deaths begin to decline in developed countries, due to the new drugs.
Brazil is the first developing country to begin providing free combination treatment.
In other developing countries, only a tiny minority can access treatment for HIV. -
In 1999, an international team of researchers reported they had discovered the origins of HIV-1, the predominant strain of HIV in the world.They verified the origin of HIV as a descendant of a Simian Immunodeficiency Virus from a subspecies of chimp (Pan troglodytes troglodytes) native to West Africa.
Likely jumped from chimps to humans as a result of transmission of animal blood during hunting and slaughter. -
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After much hesitancy, South Africa begins to provide free antiretroviral treatment.
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Only 28% of people in developing countries who need treatment for HIV are receiving it.
Annual global spending on AIDS in low- and middle-income countries is $8.9 billion.
It is estimated that $14.9 billion would be needed for a truly effective response. -
4 million people in developing and transitional countries are receiving treatment for HIV; 9.5 million are still in immediate need of treatment.
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In 2009 a new strain closely relating to gorilla simian immunodeficiency virus was discovered in a Cameroonian woman. It was designated HIV-1 group P.
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PrEP refers to a form of treatment that can be taken before exposure to a disease in an attempt to prevent infection. In respect to HIV, PrEP consists of antiretroviral drugs to be taken before potential HIV exposure in order to reduce the risk of HIV infection.
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