Essay On The Origin Of Aids

Essay On The Origin Of Aids-46
But more-detailed characterization was needed to confirm the connection, so Montagnier sent samples to American virologist Robert C.

But more-detailed characterization was needed to confirm the connection, so Montagnier sent samples to American virologist Robert C.Gallo, who had contributed to the discovery of the first known human retrovirus (human T-lymphotropic virus) several years earlier.

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According to data published by the World Health Organization (WHO), about 36.7 million people were living with HIV, approximately 1.8 million people were newly infected with HIV, and about 1 million people died of HIV-related causes in 2016.Since 1981 about 35 million people have died from HIV infection.In the early 21st century, however, the annual number of new infections began to decrease, and since about 2005 the annual number of AIDS-related deaths globally has also declined.Lentiviruses share many morphological and biological characteristics.Many species of mammals are infected by lentiviruses, which are characteristically responsible for long-duration illnesses with a long incubation period.Another group consists of those who maintain a low or undetectable viral load without anti-retroviral treatment, known as "elite controllers" or "elite suppressors".They represent approximately 1 in 300 infected persons.AIDS is the final stage of HIV infection, during which time fatal infections and cancers frequently arise. Expert review of the cases suggested that the disease likely was acquired through sexual contact and that it appeared to be associated with immune dysfunction caused by exposure to some factor that predisposed the affected individuals to opportunistic infection.The following month the CDC published a report describing an outbreak of cases of a rare cancer called By 1984 researchers working in Africa had provided clear evidence for heterosexual transmission of the causative agent, HIV.Thus, it is recommended that HIV be considered in people presenting with an unexplained fever who may have risk factors for the infection.Between 50 and 70% of people also develop persistent generalized lymphadenopathy, characterized by unexplained, non-painful enlargement of more than one group of lymph nodes (other than in the groin) for over three to six months.

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