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Unformatted text preview: onger infectious Methicillin Resistant Staphylococcus aureus (MRSA) (MRSA) Responsible for “difficult­to­treat infections” Multiple­ or multidrug­resistant (MRSA), or oxacillin­resistant (ORSA) bacteria Resistant to beta­lactam antibiotics: Methicillin Dicloxacilliln Nafcillin Oxacillin Methicillin Resistant Staphylococcus aureus (MRSA) (MRSA) According to CDC, each year: Over 94,000 people develop a serious MRSA infection Nearly 19,000 die from serious MRSA infections Staphylococcus (Staph.) Bacteria Staphylococcus Most common cause of skin infections Most are minor (pimples, boils) Some can be serious (surgical wound infections, blood stream infections, & pneumonia) Nose colonization in 25 ­ 30% of population MRSA colonization in ~ 1% of population Staph. Skin Infection Wounds Staph. What Does “Colonized with MRSA” Mean? Mean? MRSA is present in or on the body, but is not causing infection Colonized individuals are the main source of infection for susceptible individuals Transmission Transmission Most common source Individuals who have MRSA but do not have symptoms (i.e., colonized with MRSA) Main mode of transmission Through human hands (especially health care workers hands) Who Gets Serious MRSA Infections? Individuals with compromised immune systems are susceptible to serious MRSA infections Colonized individuals can be the source of MRSA for immunocompromised patients in the dental office MRSA in Dentistry What is Our Responsibility? What Prevent transmission of MRSA in dental settings Frequent handwashing Sterilization of instrumentation Appropriate use of disinfectants & barriers Prescribe responsibly Seasonal or Pandemic Flu Person to person transmission by: Person to person transmission by: Coughing, sneezing, spitting Droplets from infected person on Hands Environmental surfaces Table tops, door knobs, handrails, phones Droplets reach uninfected person Directly from coughing, sneezing, spitting Hand shakes Touching contaminated environmental surfaces Help Prevent Flu Transmission Help Cover your mouth & nose with a tissue when you cough or sneeze Cover your mouth & nose with your upper sleeve (not your hands), if you do not have a tissue & need to cough or sneeze Wash your hands as soon as possible after coughing, sneezing, or blowing your nose Practice social distancing during flu season or a flu pandemic Help Prevent Flu Transmission (cont.) (cont.) Keep surf...
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This note was uploaded on 10/16/2012 for the course PHSCH 265 taught by Professor Fatmaelsayed during the Spring '12 term at American University in Cairo.

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