Mo W 07

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Mo W 07

  1. 1. Clostridium perfringens <ul><li>Gram positive, obligate anaerobe </li></ul><ul><li>Bacillus shaped with endospore present </li></ul><ul><li>Found in environment, such as in soil, </li></ul><ul><li>sediment or fecal contaminated foods </li></ul><ul><li>Pathogenic- causes necrotic enteritis and gastroenteritis </li></ul><ul><ul><li>Usually self limiting in course of illness </li></ul></ul><ul><ul><li>Abdominal pain </li></ul></ul><ul><li>Symptoms occur 8-22 hrs after ingestion of large amounts of bacteria </li></ul><ul><li>Diagnosed with stool sample and characteristic delayed onset. </li></ul><ul><li>Most likely found in institutionalized settings, such as schools, hospitals, nursing homes and prisons due to mass preparation of food and improper heating/chilling and storage. </li></ul>http://www.musee-afrappier.qc.ca/fr/index.php?pageid=3113b&image=3113b_gangrene
  2. 2. Vibrio vulnificus <ul><li>Gram -, rod </li></ul><ul><li>Located in marine environments such as estuaries , brackish ponds, or coastal areas </li></ul><ul><li>Pathogenic </li></ul><ul><ul><li>Symptoms include vomiting, diarrhea, abdominal pain, and a blistering dermatitis that is sometimes mistaken for the autoimmune disease pemphigus. </li></ul></ul><ul><li>usually enters the bloodstream, where it may cause fever and chills, septic shock (with sharply decreased blood pressure), and blistering skin lesion </li></ul><ul><li>health officials clearly identified strains of V. vulnificus infections among evacuees from New Orleans due to the flooding there caused by Hurricane Katrina. </li></ul>
  3. 3. HIV: human immunodeficiency virus <ul><li>Retroviridae </li></ul><ul><li>Single-stranded RNA core, outer lipid envelope, spherical protein coat/capsid </li></ul><ul><li>Causes acquired immunodeficiency syndrome (AIDS) </li></ul><ul><li>Four stages: incubation period, acute infection, latency stage and AIDS </li></ul><ul><ul><li>1 st - upon infection asymptomatic last 2-4 wks </li></ul></ul><ul><ul><li>2 nd -last average 28 days include fever, swollen lymph nodes, sore throat, malaise, rash, muscle pain, mouth and esophageal sores </li></ul></ul><ul><ul><li>3 rd - shows little to no symptoms can last from 2wks-20yrs+ </li></ul></ul><ul><ul><li>4 th - symptoms of various opportunistic infections </li></ul></ul><ul><li>No cure but can have antiviral treatment and or therapy </li></ul>

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