Global Impact of Infectous Disease – Flashcards

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Bioterrorism vs. biowarefare
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warefare - biological agents used on people to acheive a military objective

 

terrorism - to achieve civil disruption, panic, or to instigate a crime

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what guidelines does a biological agent have to have  to be a weapon? 4 of them
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  1. economically reasonable
  2. capable of reaching intended target
  3. cause limited collateral damage
  4. to result in death
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name a couple early historical events of bilogical warfare?
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  1. siege of Kaffa - hurled infected bodies over wall
  2. Romans poisoned wells
  3. Pontiacs rebellion - French and Indian War - gave indians variola laden blankets(smallpox)
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Geneva Protocal of 1925
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  • banned the use of biological agents in war.
  • However treaty was never ratified by U.S. or Japan
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What did the Protocal fail to prohibit?
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The production and storage of biological weapons
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ping Fan, Manchuria experiments?

what punishment did they recieve?

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  • JApan invaded China and developed a major biological weapons production and testing center.
  • plague, anthrax, cholera
  • tested thousands of POW's, Chinese citizens
  • no crimes charged in exchange for BW data
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What is Camp Detrick and what is it used for?
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1943 - developed in response to UK need for BW's in WWII. Still used for testing today
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Johnston Atoll - 1969?
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  • did testing of BW agents on navy ships in middle of atlantic.
  • disseminated by Jets that would fly over
  • 50% kill rate considered good
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what impact did President Nixon have on BW program?
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  • renounced BW due to protest of use of chemicals in Vietnam.
  • all offensive stocks of BW's gone by 1972
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What was the Biological Toxins and Weapons Convention of 1972 and was it effective?
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  • banned all offensive stocks and programs for creating BW's
  • termination of such programs
  • Not effective: USSR continued assuming U.S. did as well.  Also no way to check to see if everyone was compying
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What was the Biopreparet?
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  • Soviet BW program that was umbrella'ed as a NGO.
  • produced better BW's with more effective dispersal techniques
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Post BWC Soviet Program?
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  • huge BW facility that had 4500 workers.
  • elaborate strains of every deadly agent out there
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what was Soviets mind of thought when they tried to eradicate the world of smallpox?
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  • Biopreparet - wanted to make a smallpox attack that much more effective
  • had an extremely virulent strain produced taht would devastate the world with extremely efficient delivery systems
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Sverdlosk - 1979 what happenned?
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accident at Soviet production facility

accidently released anthrax spores to the public

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As the Soviet Union fell what happenned?
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  • BW programs went with other countries( Iraq, Iran)
  • funding cut
  • only some of BW's accounted for
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who had the 2nd largest BW facility?
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South Africa
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Bioterrorism:

Dalles Oregon?

Diane Thompson?

Larry Wayne Harris?

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  • spread shit on salad bars
  • spread dysentary on muffins for coworkers
  • Aryan Nation: if you arrest our guys you will get a test tube in the mail
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2001 anthrax incident
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  • 11 inhalation- 5 died
  • 12 cutaneous- 0 died
  • 32,000 tested
  • ;cost $6 billion
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Disadvantages of Bio WEapons?
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  • unethical
  • hard to transport
  • difficult to control spread
  • pandoras box
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Overt vs. Covert event
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Overt- event announced, microorg identified

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Covert - unannounced, patients randomly fall ill, agent unknown

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3 categories of infectious agents based on what criteria?
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  • A,B,C
  • based on transmission from human to human
  • ease to disseminate
  • ease of production
  • severity of infection
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category A, B, C
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  • A - most severe, easy to disseminate, easy to produce, high transmission rate
  • B - 2nd severe, moderate to disseminate, moderate morbidity, low mortality
  • C - agents that could be engineered, easy to get and produce, potential for high mortality
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preparedness?
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  • 155 million people susceptible to smallpox( under 38)
  • antidotes available
  • detection services -surveillance across nation
  • quick diagnostic test
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at first in 1982, thought virus could be due to what 3 things?

;

what proved this wrong?

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  1. something in gay men
  2. amyl nitrate
  3. barage of STDs
  • IV drug users and heterosexuals got the virus
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AIDS stands for?
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Acquired Immune Deficiency Syndrome
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once a daignostic blood test was developed in 1985 where was virus seen running rampid?

How were hemopheliacs getting infected?

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WEst Africa

Blood supply was infected

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what was the first anti- retroviral drug
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AZT 1987
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when did deaths due to AIDS finally start to drop in developing countries?
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1996
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In 2000, what did the South African President Thabo Mbeki believe about AIDS?
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That HIV was not the cause of AIDS. Dropped all programs
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What was PEPFAR
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  • Presidents Emergency Plan for AIDS Relief
  • increased foreign aid to 15 countries for AIDS relief
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What is HAART.; What was found it caused that greatly reduced spread?
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  • Highly Active Anti-Retroviral Treatment
  • don't spread HIV through sex when on this treatment plan
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Hows does AIDS affect:

-Immune System

-Nervous System

 

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  • Immune - WBC counts and helper T cells are killed off and body loses ability to fight off infections and viruses
  • Nervous - infection can cross into brain and cause dementia, depression, slurred speach
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How has HIV changed Society?
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  1. shattered idea that ID's conquered
  2. more open to homosexuality
  3. science gained knowledge on T cells and viral infections can be treated
  4. safe sex
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How does AIDS hinder development?
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  • high health care cost overwhelming hospitals
  • hindering education, killing teachers
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what impediments exist to controlling HIV/AIDS?
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  • people unaware of having disease(asymptomatic)
  • funding
  • no education on it
  • untruthful to partners
  • denialism
  • unwilling to get tested
  • treatment cost
  • no vaccine
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in the last 8 years why has funding increased so much?
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  • AZT off patent
  • gates foundation
  • UNAIDS
  • Bono makes Jesse Helms cry
  • treatable wiht HAART
  • PEPFAR
  • Global Fund
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Early rule of haiti was by?
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Spain, then taken over by France buccaneers

Western 1/3 then ceded to France in 1697

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Haiti Revolution?
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1791 to 1804

  • unified Island and freed all slaves, became governor for life, Napoleon didnt like, Frances most profittable colony.
  • French regain control and killed Loverture, but troops all died due to ID

;

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Why did French troops die due to infectious disease?
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  1. took control of ports. Next to swamps with tons of malaria
  2. burned cities therefore no medical supplies
  3. French troops not exposed to ID's in HAiti at time
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After Haiti was independent in 1804 why didnt they get foreign recognition?
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  • racism
  • too unstable, rulers constantly assassinated
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What happenned when U.S. occupied Haiti?
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  • only supported Haiti when the rulers in power were to the liking of the US and good for their economic interests
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what was the effect of the CDC putting one of the four HIV risk groups as Haiti?
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  • killed tourism and reduced foreign trade
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how is the wealth distributed in Haiti?
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50% of wealth is in 1% of (French white) population
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path to improved health is tied to?
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  • poltical will is needed to improve healthcare system infrastructure, education to improve workforce, and increase food source
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how did the US recently help Haitian economy? food security?
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  • all imports to US are duty free
  • hoping to jumpstart economy
  • rice imports from US tax went down 32%- hurt haitian agriculture though
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5 areas that need progress to eliminate infectious disease?
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  1. combining efforts of multiple organizations to one effort
  2. develop healthcare infrastructure
  3. scientific development - vaccines etc.
  4. Religious, social, cultural considerations
  5. legal protection of groups/ confidentiality
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