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Agenda 11/20 Bioterrorism talk Bioterrorism project
Quick presentations (or HIV overview) Homework: Practice FRQ Turn in: nothing
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Bioterrorism
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Bioterrorism Defined The intentional release of a biological organisms to harm humans, crops, livestock Current Legislation: The events of Sept. 11, 2001, reinforced the need to enhance the security of the United States. Congress responded by passing the Public Health Security and Bioterrorism Preparedness and Response Act of 2002 (the Bioterrorism Act), which President Bush signed into law June 12, 2002.
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4 ‘Main’ Worries Yersnia Pestis: Plague B. anthracis: Anthrax
Botulinum Neurotoxin: Botulism, Botox Smallpox
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Yersinia Pestis: “Plague”
“Fear Factor”, Black death Requires a flea as transmission Bacteria forces regurgitation of virions into the mouth of flea for better transmission to other hosts. Killed by antibiotics Used as bioweapon during WW2
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Botulinum Neurotoxin: Botulism or “Botox”
Could introduce it through food or water Difficult to diagnose easily Easy to get ‘Dual Use Agent’: Can be used as a treatment for certain disorders as well
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Smallpox Naïve, non vaccinated population
Extremely contagious and lethal Has been used as bioweapon in the past Ability to vaccinate persons if exposed Disease prevented if vaccinated with 3-4 days of exposure
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B. anthracis or “Anthrax”
Spores are extremely stable Modification of spores needed for successful transmission Has been used in the past
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Previous Uses Anthrax: 2001 outbreak in USA
Spore containing envelopes mailed to offices 22 people infected total, 5 people died Still don’t know the specific source Person convicted committed suicide Smallpox: intentionally given to Native Americans Plague: Japan dropped infected fleas over population areas of China
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Current Strategies Containment Vaccination Plan
Politics, Policies, Peace Mutually assured destruction? Destroyed samples of smallpox Except in CDC and WHO Found in a closest at NIH (whoops) Thoughts? Should we keep or destroy?
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Discussion Questions 1. Should the US government keep smallpox for the purposes of research and vaccine development?
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Discussion Questions 2. Should other countries be allowed to keep smallpox for the purposes of research and vaccine development?
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Book Recommendations ‘The Hot Zone’ by Richard Preston
‘Demon in the Freezer’ by Richard Preston
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