Botulism - دانلود رایگان
دانلود رایگان
دانلود رایگان لینک دانلود و خرید پایین توضیحاتدسته بندی : پاورپوینتنوع فایل : powerpoint (..ppt) ( قابل ويرايش و آماده پرينت )تعداد اسلاید : 24 اسلاید قسمتی از متن powerpoint (..ppt) : Botulism As a Bioterrorism Agent Botulism History Germany (1793) earliest recorded human outbreak Organism isolated in 1895 Mortality rate of 5-50%; long recovery period Weaponized by several nations including the U.S., Japan, and Soviet Union, beginning in the 1930’s Iraq (1980’s) produced 19,000 L of concentrated botulism toxin Japan (1990’s) Aum Shinrikyo cult What Makes Botulism Toxin a Good Weapon? Botulism toxin is the most poisonous substance known High lethality: 1 aerosolized gram could potentially kill 1 million people Isolated fairly easily from soil Could be released as an aerosol or as a contaminant in the food supply Expensive, long-term care needed for recovery Botulism Microbiology Toxin produced by the bacterium Clostridium botulinum Anaerobic, gram positive, rod-shaped bacteria Bacteria are 0.5 to 2.0 mcm in width and 1.6 to 22.0 mcm in length Create spores that can remain dormant for 30 years or more Spores extremely resistant to environmental stressors, such as heat and UV light C. botulinum