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Basics and Epidemiology

Course Code
Robb Travers

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Soc309 – The basics and some epidemiology
Lecture 2
May 19, 2011
Difference of HIV and AIDS
-HIV is a virus
-AIDS is a constilation of illnesses and a syndrome
HIV human imununo-deficiency Virus
-Only effects humans- effects immune system
-HIV + = infected, shows symptoms
AIDS Acquired Immune Defficiency Syndrom
-Must be effected with, thus it is acquired
-Affects the immune system
-Someone with aids may experience a wide range of different diseases
HIV -> Aids spectrum
-Modern studies show depending on the area and response to it, show that people do not show
In Canada, person diagnosed with aids has
1) Undergone testing for HIV and received a positive result
2) One or more of the clinical illnesses or indicator diseases
a.Current definition is uniform across Canada
b. Definition also applies to 48 countris of the euro region , Australia, newzealand
c.In UNITIED STATES it is a person that has T-lymphocytes count less then 200 cells per
millimetres (as opposed to 1500 for a normal person)

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There are people that do not believe in Aids however everyone who has died of AIDS has always been HIV
-Weakends the immune system
-Works in the boddy by infecting certain white blood cells
-Enters through hairs, cuts, mucous
Queens university study 4 years ago
-Asked highschool students about their knowledge rate
-65% of teens in highschool believed there was a cure for AIDS and HIV (there is not)
Modern medicine has allowed people to less infectious to others and reduce the syndrome
It may take a long time to affect a persons health
Years ago people died within a few years
Africa highest infection rate within 5 years (aprox)
How long would a treated person live? maybe a normal life span (30-40 years)
-People die of other things (such as heart failer, since medication triggers a high lymphatic response) or
(liver failer, since medication is hard on the liver)
If untreated
-Immune system becomes comprimized and could be infected with other infections
oIe bacterial infections (eg terberculosis)
o(full list on lecture notes)
oCancer – KS people who spent lots of time in the sun (African and isiral men)- one of the
indicators of people who might have full AIDS
Three Conditions to acquire HIV transmission to occur:

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1) HIV itself must be present
2) In sufficient quantity
3) It must get into the bloodstream
Where is HIV found in body – Bodily fluids (H is high, M is medium)
-Blood (includeing menstral blood) (High)
-Semen / pre- seminal fluid (high)
-Breast milk (high)
-Vaginal secretions (M and sometimes H)
-Anal secretions (M) mucus
Non –infection bodily flueds HIV cannot be transmited from infecter person through
Activities that can transmit HIV
-Unprotected anal or vaginal contact with someone who has virus (sometime oral Americans believe this
it can be transmited through this, because they are more conservative however people dont usually get
it along, they might have a cut or something)
-Infected blood with direct access the blood stream
-Women to fetus (during pregnancy, birth or breastfeeding)
-Sharing drug equipment or works
Drug using societies in ottowa
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