Bloodborne pathogens: microorganisms & the chain of infection.

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http://synthesismatters.blogspot.com/2016/05/bloodborne-pathogens-microorganisms.html
What are bloodborne pathogens?
Bloodborne pathogens are infectious microorganisms in human blood that can cause disease in humans. These pathogens include, but are not limited to, hepatitis B (HBV), hepatitis C (HCV) and human immunodeficiency virus (HIV). Needlesticks and other sharps-related injuries may expose workers to bloodborne pathogens. Workers in many occupations, including first responders, housekeeping personnel in some industries, nurses and other healthcare personnel, all may be at risk for exposure to bloodborne pathogens.
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Bloodborne pathogens: microorganisms & the chain of infection.

  1. 1. BLOODBORNE PATHOGENS “Microorganisms & the Chain of Infection”
  2. 2. Bacteria Image:The bacteria that causes meningitis
  3. 3. Bacteria Viruses Image: Human ImmunodeficiencyVirus
  4. 4. Bacteria Viruses Protozoa Image: Protozoa that causes Malaria
  5. 5. Bacteria Viruses Protozoa Fungus/Fungi Image: Candida albicans, the fungus that causes yeast infection
  6. 6. Skin
  7. 7. Nose/ Mouth
  8. 8. Hair/ Eyelashes
  9. 9. All Body Orifices
  10. 10. Surfaces Exposed To Air
  11. 11. Hi, I’m Nemo!
  12. 12. Thousands of types Don’t harm or benefit = ‘normal flora’ Even normal flora is ‘Opportunistic’
  13. 13. In 1993 a tragedy occurred in California. An E. Coli outbreak resulted in the death of four children and severe illness for hundreds more.
  14. 14. Infectious Agent Reservoir Port of Exit Means of Transmission Port of Entry Vulnerable Host THE CHAIN OF INFECTION
  15. 15. INFECTIOUS AGENT Reservoir Port of Exit Means of Transmission Port of Entry Vulnerable Host
  16. 16. Infectious Agent RESERVOIR Port of Exit Means of Transmission Port of Entry Vulnerable Host
  17. 17. Infectious Agent Reservoir PORT OF EXIT Means of Transmission Port of Entry Vulnerable Host
  18. 18. Infectious Agent Reservoir Port of Exit MEANS OF TRANSMISSION Port of Entry Vulnerable Host
  19. 19. Infectious Agent Reservoir Port of Exit Means of Transmission PORT OF ENTRY Vulnerable Host
  20. 20. Yum?
  21. 21. Infectious Agent Reservoir Port of Exit Means of Transmission Port of Entry VULNERABLE HOST
  22. 22. Note: It is safe to eat at Jack in the Box
  23. 23. This incident led to restaurants posting warning messages against undercooked meats; a national movement motivated by the US Department of Health.
  24. 24. MRSA
  25. 25. “For Kerri Cardello McKoy, mother of four, a trip to the hospital to treat a broken nose in 2003 seemed routine. But what followed wasn't: a raging MRSA infection that cost her both legs below the knee, a collapsed lung and four months in a hospital bed, much of it in a drug-induced coma...” The Baltimore Sun, 3/1/08 http://www.baltimoresun.com/news/health/bal- te.mrsa01mar01,0,4304662.story
  26. 26. Bacteria Viruses Protozoa Fungus/Fungi
  27. 27. Two primary bloodborne pathogens Human Immunodeficiency Virus (HIV) Hepatitis (HBV/HCV)
  28. 28. Compare/Contrast Bacteria Virus  Larger of microbes  Complex biology  Live outside cells of host  Able to reproduce without host  Many are beneficial to host  Smallest of life forms  Simplest life form  Must live within cells of host to survive  Must use host’s genetic material to reproduce  Most harmful
  29. 29. Compare/Contrast Bacteria Virus  Larger of microbes  Complex biology  Live outside cells of host  Able to reproduce without host  Many are beneficial to host  Smallest of life forms  Simplest life form  Must live within cells of host to survive  Must use host’s genetic material to reproduce  Most harmful
  30. 30. Compare/Contrast Bacteria Virus  Larger of microbes  Complex biology  Live outside cells of host  Able to reproduce without host  Many are beneficial to host  Smallest of life forms  Simplest life form  Must live within cells of host to survive  Must use host’s genetic material to reproduce  Most harmful
  31. 31. Compare/Contrast Bacteria Virus  Larger of microbes  Complex biology  Live outside cells of host  Able to reproduce without host  Many are beneficial to host  Smallest of life forms  Simplest life form  Must live within cells of host to survive  Must use host’s genetic material to reproduce  Most harmful
  32. 32. Compare/Contrast Bacteria Virus  Larger of microbes  Comoutside plex biology  Live cells of host  Able to reproduce without host  Many are beneficial to host  Smallest of life forms  Simplest life form  Must live within cells of host to survive  Must use host’s genetic material to reproduce  Most harmful
  33. 33. TO SEETHIS IN SLIDE FORMAT.TO COPY IMAGES ANDTEXT,VISIT THE BLOG: http://synthesismatters.blogspot.com.br/ 40

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