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Handwashing
1. Who made these silly rules anyway? An introduction into your life in the microbiology lab. Alison Lederer, Aurora Univeristy 2010
2. Hi. My name is _______ . Escherichia coli Pseudomonas aeruginosa Staphylococcus aureus Mycobacterium phlei Shigellaflexneri We are Biohazard Level 2 organisms
4. Escherichia coli Negative rod Lives in sewage, intestinal tract of warm-blooded animals Signs and Symptoms Diarrhea, which may range from mild and watery to severe and bloody Abdominal cramping, pain or tenderness Nausea and vomiting (Brown, 2009; Merck, 2010)
5. Pseudomonas aeruginosa Negative rod Lives in soil and water (opportunistic) Signs and Symptoms Dependent on body system infected Fever, loss of hearing, foul-smelling discharge, nerve damage, damage to cornea, itchy skin rash with pimples, frequent urination, lower abdominal pain (Brown, 2009; Merck, 2010)
6. Staphylococcus aureus Positive cocci Lives on or in human skin, nose, and GI Signs and Symptoms Shallow, fluid-filled blisters that rupture Cellulitis or folliculitis Boils Epidermal necrosis (large scale peeling of skin) Abscesses (Brown, 2009; Merck, 2010)
7. Mycobacterium phlei Positive rod Lives in soil, water, vegetables, domestic animals, and dairy products Signs and Symptoms Rarely causes disease in humans Related to mycobacterium tuberculosis and avium Pulmonary and lymphatic systems affected by this family (Dieudonne, 2009)
8. Shigellaflexneri Negative rods Intestinal tract of humans Signs and Symptoms Most dangerous to children High fever (up to 106o F [41° C]), sometimes with delirium Severe dehydration with weight loss Up to 20 bowel movements a day With severe diarrhea, protrusion of part of the rectum out of the body (rectal prolapse) Rarely, marked swelling of the intestine and tearing (perforation) of the large intestine (Merck, 2010)
9. Now that we’ve met. Ways to keep you safe from infection while in our lab Wash your hands properly and for a full minute before and after each lab, whenever soiled by work, and after removal of personal protective equipment Wear personal protective equipment any time you are working with the organisms in the lab Spray amphyl on your work space wait 30 seconds then scrub vigorously with paper towel before and after your lab experience Always transfer bacteria with test tube facing away from your body and lower than your face