Infectious Disease: HIV/AIDS

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Human Geography
Case Study: An Infectious Disease: HIV/AIDS
1. HIV is the human immunodeficiency virus which causes the illness of AIDS.
2. White Blood Cells are important as they create destroy pathogens (viruses in the
body).
3. There are two sources that scientists believe are possible: One theory being that it
was transferred from a chimpanzee to a human through a bite to a hand, the other
being the theory that an experiment went wrong in a laboratory and some blood
contaminated a needle which was later used on a patient.
4. Three developments that has led to AIDS becoming a Pandemic are:
The lack of education and advice within schools for teenagers in the area of Sexual
Intercourse and contraception.
The lack of knowledge of doctors and scientists on the disease didn't help the
patients and the global spread of the virus.
Due to poverty many women turned to prostitution in order to gain substantial
income but many ended up catching the virus.
5. There are many ways HIV can be spread and four of those are:
Intercourse without contraception.
Sharing infected needles, syringes or other injecting drug
Sexual equipment.
Infected mother to her baby during pregnancy, birth process
and through breast ­ feeding.
Transfusion of infected blood or blood products.
6. The disease has spread similarly but also differently in MEDC's and LEDC's due to the
fact of medical care and education.
LEDC's:
Lack of Education and Advise in contraception and safe sex.
Prostitution and Rape.
Poor medical care and lack of necessary drugs.
Scared to revel it and has sex with a new partner who is negative.
MEDC'S:
Unprotected sex even with all the advice and education provided.
The very rare mistake of medical personnel.
Prostitution and Rape.
Harry Nicholls

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Human Geography
7. There are many patterns of distribution on the disease, here are three of the most
popular:
Pattern I is typical of industrialized countries with large numbers of reported
AIDS cases, such as North America, Western Europe, Australia, New Zealand,
and parts of Latin America. In these areas, most cases occur among
homosexual or bisexual males and urban IV drug users. Heterosexual
transmission is responsible for only a small percentage of cases but is
increasing.…read more

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Human Geography
11. The figures can never be totally accurate due to the fact that more people every day
are becoming infected. Also the survey would take months or even years so
scientists take averages from countries instead of asking every single person which
could result in unreliable and inaccurate data.
12. The effects of HIV/AIDS are:
The most prominent effect of HIV is its T-helper cell suppression and lysis.…read more

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