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Final

HLTB21H3 Study Guide - Final Guide: Clofazimine, Dapsone, Bcg Vaccine

3 pages86 viewsWinter 2011

Department
Health Studies
Course Code
HLTB21H3
Professor
Caroline Barakat
Study Guide
Final

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Disease Leprosy InfluenzaHIV
Historical
Context
far east –about 1400 BC
- spread either soldiers of Alexander the great
from india- along trade route reached
Mediterranean about time of Christ
12th epidemic
13th -14th peak
Disappearance in 1350 AD because ( TB
cases increased )
selective mortality
cross immunity with other
mycobacterium
loss of pathogenicity
genetic selection of population
improved quarantine
improve sanitation
improved socio-economic standings
better nutrition
16-18th century: leprosariums disappeared
1930: peak of leprosy again (leprosariums
built)
DArcy Island in Canada: prison was built
for lepers
Today worldwide mainly tropics India,
brazil, Indonesia
1999 less but then inc again dont know
why
412 BC: Hippocrates has recorded it
1580-Now: 31 flu pandemics recorded
1918-1920: H1N1 strain (Spanish flu)
50 million deaths
Soldiers from Kansas spread it
1957: Asian flu
1976: Swine flu: killed more ppl and
any other disease
1997: H5N1 strain
VIDEO:
H1N1 currently present
This strain is very different from the
1918 strain of H1N1
IT CAN BE USED FOR
BIOTERRORISM
1981: first described
1983: Human retrovirus HIV-1
identified (Worldwide)
1985: HIV-2 discovered (West Africa)
1.Among homosexuals and drug users
2.Heterosexual sex, prostitution,
unsterile injections, prenatally
3.Infections from ppl above or blood
transfusions
Epidemiology 5.2 Million (1985)
less than 300, 000 (2004)
90% Madagascar, Brazil and Napals
1-2 million people are disfiguredglove
and stocking anestsia
disease came to canada via immigration
1980 -50 to 100 million ppl died
500 000 died in USA
300 000 sick in Ontario
500 000 sick in Quebec
(3) Epidemiology: (Now: worldwide)
20% infected in US, don’t
know they are infected
2004: most ppl with aids: S
Africa & S and SE Asia
2008: 33.4 million
prevalence rate
2008: 2.7 milllion new
infections, 2 million deaths
2008: 7400 new infections/
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