Mo W 04

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Mo W 04

  1. 1. <ul><li>Gram (-) </li></ul><ul><li>Bacilli with multiple flagella </li></ul><ul><li>Lives in about 50% of the world population in the stomach and small intestine. </li></ul><ul><li>Pathogenic </li></ul><ul><ul><li>Causes chronic gastritis that can lead to both peptic ulcers and stomach cancer. </li></ul></ul><ul><li>Pope John Paul II had gastric bleeding as a result of H. pylori . Photo C http://ksjtracker.mit.edu/2008/08/25/economist-helicobacter-time-to-rethink-a-longtime-fellow-traveler / </li></ul>Helicobacter pylori
  2. 2. Clostridium Botulinum <ul><li>Gram +, bacillus </li></ul><ul><li>Commonly found in soils where animal feces are used as fertilizer and marine sediments </li></ul><ul><li>Pathogenic </li></ul><ul><li>Food poisoning, symptoms appear within a day or 2, flaccid paralysis for 1-10 days and may cause death from respiratory and cardiac failure </li></ul><ul><li>Nausea but no fever, double or blurred vision, difficulty swallowing </li></ul><ul><li>Infant botulism is caused by giving infants honey before the age of 1, infants immune systems aren’t developed enough to combat Clostridium bacteria in honey, symptoms: weak cry, constipation, appear lethargic </li></ul><ul><li>Wound botulism, pathogens grow in wounds in a manner similar to that of Clostridia causing tetanus or gas gangrene </li></ul><ul><li>Botulism made the list of Nationally Notifiable Infectious Diseases of 2008 </li></ul>
  3. 3. SARS Coronavirus <ul><li>Coronavirus, single-stranded RNA </li></ul><ul><li>Enveloped, polyhedral </li></ul><ul><li>atypical pneumonia </li></ul><ul><li>symptoms: fever, chills, headache, body aches, coughing, sneezing, runny nose </li></ul><ul><li>Treated by antipyretics, supplemental oxygen and ventilatory support as needed </li></ul><ul><li>exceptionally large polycistronic genome </li></ul><ul><li>made the list of Nationally Notifiable Infectious Diseases of 2008 </li></ul>

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