No one really knows when it began or where. We do not know how many people developed AIDS in the 1970s, or indeed in the years before. We do now know that AIDS and HIV probably had its origins in Africa. The origin of AIDS and HIV has puzzled scientists ever since the illness first came to light in the early 1980s. According to an article on avert.org, "In the early The first recognised cases of AIDS occurred in the USA in the early 1980s more about this period can be found on our history page . A number of gay men in New York and California suddenly began to develop rare opportunistic infections and cancers that seemed stubbornly resistant to any treatment. At this time, AIDS did not yet have a name, but it quickly became obvious that all the men were suffering from a common syndrome."
In the article, the author by the name of Sarah Webb Said ," By the end of 1987, nearly 50,000 cases of acquired immunodeficiency syndrome AIDS had been reported since 1981, 20,745 in the past year alone. Black and Hispanic adults and children have reported rates 3 to 12 times as high as whites. This can be largely attributed to higher reported rates in black and Hispanic intravenous IV drug abusers, their sex partners, and infants. In 1986, reported AIDS deaths increased adult male and female mortality in the United States by an estimated 0.7 and 0.07%, respectively, with much greater increases in selected age groups or areas of the country. The greatest variation in infection with the human immunodeficiency virus HIV 0 to 70% has been found in surveys of IV drug abusers, while surveys of homosexual men reveal infection rates of 20 to 50%. Infection with HIV ranged from 0 to 2.6% in limited sexually transmitted disease clinic surveys of heterosexual men and women without a history of IV drug abuse or known sexual contact with persons at increased risk". The modes of HIV transmission are now well understood, but a large amount of biologic variability in efficiency of transmission remains to be explained. The period between initial infection with HIV and the development of AIDS is variable, but the risk for disease progression increases with duration of infection .
Fron 1998 to 2002 AIDS was still on the rise .In Canada there was an outbreak of HIV infection amongst injecting drug users in Vancouver.Then in 1999 it got worser.According to the annual World Health Report, AIDS had become the fourth biggest killer worldwide, only twenty years after the epidemic began.In the United States a doctor who injected his former lover with HIV infected blood was sentenced to 50 years in prison. Also in 1991 Magic Johnoson was diagnosed HIV positive.
In the article, the author by the name of Sarah Webb Said ," By the end of 1987, nearly 50,000 cases of acquired immunodeficiency syndrome AIDS had been reported since 1981, 20,745 in the past year alone. Black and Hispanic adults and children have reported rates 3 to 12 times as high as whites. This can be largely attributed to higher reported rates in black and Hispanic intravenous IV drug abusers, their sex partners, and infants. In 1986, reported AIDS deaths increased adult male and female mortality in the United States by an estimated 0.7 and 0.07%, respectively, with much greater increases in selected age groups or areas of the country. The greatest variation in infection with the human immunodeficiency virus HIV 0 to 70% has been found in surveys of IV drug abusers, while surveys of homosexual men reveal infection rates of 20 to 50%. Infection with HIV ranged from 0 to 2.6% in limited sexually transmitted disease clinic surveys of heterosexual men and women without a history of IV drug abuse or known sexual contact with persons at increased risk". The modes of HIV transmission are now well understood, but a large amount of biologic variability in efficiency of transmission remains to be explained. The period between initial infection with HIV and the development of AIDS is variable, but the risk for disease progression increases with duration of infection .
Fron 1998 to 2002 AIDS was still on the rise .In Canada there was an outbreak of HIV infection amongst injecting drug users in Vancouver.Then in 1999 it got worser.According to the annual World Health Report, AIDS had become the fourth biggest killer worldwide, only twenty years after the epidemic began.In the United States a doctor who injected his former lover with HIV infected blood was sentenced to 50 years in prison. Also in 1991 Magic Johnoson was diagnosed HIV positive.
Country
Estimated new HIV infections 1998
North America
44,000
Caribbean
45,000
Latin America
160,000
Western Europe
30,000
North Africa/Middle East
19,000
Sub-Saharan Africa
4 million
Eastern Europe/Central Asia
80,000
East Asia/Pacific
200,000
South Asia/South-East Asia
1.2 million
Australia & New Zealand
600
Global total
5.8 million
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