Transcript Slide 1

Epidemiology
BIO220 – Introductory Microbiology
Copyright 2009, John Ireland
Key Concepts
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A Brief History
Branches of Epidemiology
Emerging Infectious Disease
The Story of HIV
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Copyright 2009, John Ireland
John Snow
With regard to the deaths
occurring in the locality belonging
to the pump, there were 61
instances in which I was informed
that the deceased persons used to
drink the pump water from Broad
Street, either constantly or
occasionally...
John Snow, letter to the editor of the Medical Times
and Gazette
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The Ghost Map
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John Snow
I had an interview with the Board
of Guardians of St James's parish,
on the evening of the 7th inst
[Sept 7], and represented the
above circumstances to them. In
consequence of what I said, the
handle of the pump was removed
on the following day.
John Snow, letter to the editor of the Medical Times
and Gazette
Copyright 2009, John Ireland
Copyright 2009, John Ireland
Florence Nightingale
It may seem a strange principle to
enunciate as the very first
requirement in a hospital that it
should do the sick no harm.
Florence Nightingale
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Branches of Epidemiology
Descriptive
Analytical
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Experimental
Emerging Infectious Diseases
Microbial Evolution
Human Conflict
Human Susceptibility
EID
Economic Development
Climate Change
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EID in the United States
MDR Tuberculosis
West Nile Virus
Cryptosporidium
Hantavirus
HIV/AIDS
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EID Worldwide
Prion Disease
Lyme Disease
SARS
H5N1
Nipah
HIV
Ebola
Lyssa Virus
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Selected Reported Diseases
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VISA/VRSA (Staphylococcus aureus)
Orthopox Viruses (Smallpox, Monkeypox)
Coxiella burnetii
Clostridium tetani
Shigella species
Cryptococcus neoformans
Influenza (normal or avian)
Michigan Department of Community Health, 2009
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Case Study – HIV/AIDS
"When it began turning up in
children and transfusion
recipients, that was a turning
point in terms of public
perception. Up until then it was
entirely a gay epidemic, and it
was easy for the average person
to say 'So what?' Now everyone
could relate.“
Harold Jaffe – CDC 1982
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First Signs
"A doctor was treating a gay
man in his 20s who had
pneumonia. Two weeks later,
he called to ask for a refill of
a rare drug that I handled.
This was unusual - nobody
ever asked for a refill.
Patients usually were cured
in one 10-day treatment or
they died" - Sandra Ford
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Isolation
"I believe we have
the cause of AIDS.“
Dr. Mason (CDC) 4/22/84
Discussing the work of Dr.
Montagnier in 1983 who would
later receive the 2008 Nobel
Prize in Medicine
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Origin and Genetics
Greater than 70% of
some African countries
consume bushmeat on a
regular basis.
23rd Regional Conference for Africa, 2004
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Outlook in the Beginning
"We hope to have a vaccine
[against AIDS] ready for testing in
about two years.“
“…yet another terrible disease is
about to yield to patience,
persistence and outright genius“
HHS Secretary Margret Heckler Announcement on
AIDS 4/23/84
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Outlook Now
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