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PYC2605 Assignment 1 Semester 1 – 2021 (ANSWERS)
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- University Of South Africa (Unisa)
PYC2605 Assignment 1 Semester 1 – 2021
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PYC2605 Assignment 1Semester 1 – 2021
BY DANIELLE VAN NIEKERK
PREVIEW OF QUESTION 1
The world first became aware of a new disease in June 1981 when the Centres for Disease Control
and Prevention (CDC) in Atlanta in the USA pronounced the occurrence of not only an exceedingly
rare form of pneumonia (Pneumocystis pneumonia or PCP, then called Pneumocystis carinii
pneumonia) but also of a very uncommon type of cancer (Kaposi’s sarcoma) in five young
homosexual men in Los Angeles. Scientists were baffled by this new disease because the causes
and the modes of transmission were unknown. Initially, it was thought that this disease only
affected homosexual men, but, by the end of 1981, PCP was also diagnosed in haemophiliacs,
people who inject drugs and Haitian immigrants in the USA. In 1982 this new disease was named
‘Aids’ or acquired ‘immunodeficiency syndrome’
,
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