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Bloodborne Pathogens

Universal Precautions Save Lives

⏱️ 15 minutes
📚 Occupational Health Path
OSHA 1910.1030
Katie
Katie, Your Safety Guide
Welcome! Bloodborne pathogens are infectious microorganisms in blood that can cause disease. Exposure can happen in many workplaces—not just healthcare. Custodians cleaning up spills, maintenance workers, first aid responders, and anyone who might encounter blood or body fluids needs this training. The good news? Following universal precautions and using proper PPE prevents transmission. Let's learn how to protect yourself!
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Why Bloodborne Pathogen Training Matters

Bloodborne pathogens are infectious microorganisms present in human blood that can cause serious diseases. OSHA requires training for all employees with occupational exposure risk.

🚨 Key Facts About Bloodborne Pathogens
  • 5.6 million workers in the U.S. are at risk of occupational exposure
  • 385,000 needlestick injuries occur annually in healthcare settings
  • Most common pathogens: Hepatitis B (HBV), Hepatitis C (HCV), HIV
  • HBV can survive outside the body for at least 7 days and still cause infection
  • All bloodborne pathogen exposures are preventable with proper precautions
  • Post-exposure treatment is time-critical—must act within hours
💡 Who Needs This Training?
Anyone with potential occupational exposure to blood or other potentially infectious materials (OPIM):
  • Healthcare workers (doctors, nurses, dentists, lab technicians)
  • First responders (police, firefighters, EMTs)
  • Custodial and housekeeping staff
  • Laundry workers handling contaminated linens
  • Maintenance and facilities workers
  • Designated first aid providers
  • Tattoo and piercing artists
  • Childcare workers (diaper changing, injury response)

Learning Objectives:

  • Identify major bloodborne pathogens: HIV, HBV, HCV
  • Understand how bloodborne pathogens are transmitted
  • Apply universal precautions to all situations
  • Select and use appropriate PPE for protection
  • Follow proper cleanup and decontamination procedures
  • Know post-exposure protocol and reporting requirements
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The Big Three Bloodborne Pathogens

HIV, HBV, and HCV

While many pathogens can be transmitted through blood, three are the primary concern in occupational settings.

HBV
Hepatitis B Virus
What it is: Virus that attacks the liver, causing inflammation, cirrhosis, liver failure, and liver cancer.

Transmission risk: HIGHEST risk in occupational settings. 100 times more infectious than HIV. Can survive outside the body for 7+ days.

Symptoms: Fatigue, nausea, jaundice (yellowing skin/eyes), dark urine, abdominal pain. Many people have no symptoms.

Prevention: VACCINE AVAILABLE! Highly effective. Employers must offer free HBV vaccine to at-risk workers.

Outcome: 90% of adults recover completely. 10% develop chronic infection leading to serious liver disease.
HCV
Hepatitis C Virus
What it is: Virus that attacks the liver, causing chronic liver disease, cirrhosis, and liver cancer.

Transmission risk: Second highest occupational risk. More common than HIV. Survives outside body for up to 3 weeks.

Symptoms: Often no symptoms for years or decades. When present: fatigue, nausea, jaundice, abdominal pain.

Prevention: NO VACCINE. Prevention relies entirely on avoiding exposure through proper precautions.

Outcome: 75-85% develop chronic infection. Leading cause of liver transplants in the U.S. Curable with modern medications if caught early.
HIV
Human Immunodeficiency Virus
What it is: Virus that attacks the immune system. Without treatment, leads to AIDS (Acquired Immunodeficiency Syndrome).

Transmission risk: LOWER than HBV/HCV in occupational settings. Less stable outside the body (dies within hours). Lower concentration in dried blood.

Symptoms: Initial flu-like illness, then years with no symptoms. Without treatment: immune system failure, opportunistic infections.

Prevention: NO VACCINE. Post-exposure prophylaxis (PEP) must start within 72 hours of exposure—ideally within 2 hours.

Outcome: With modern treatment (antiretroviral therapy), people with HIV can live normal lifespans. Early treatment is critical.
⚠️ You Cannot Tell by Looking
Most people infected with bloodborne pathogens look and feel healthy. They may not even know they're infected. This is why universal precautions are critical—treat ALL blood and body fluids as potentially infectious, regardless of the source.
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How Bloodborne Pathogens Are Transmitted

Understanding exposure routes

Bloodborne pathogens are transmitted when infectious material enters your body. Knowing the routes helps you prevent exposure.

🚨 Four Ways Transmission Occurs
1. Percutaneous (Through the Skin)
• Needlestick or sharps injuries (most common in healthcare)
• Cuts from contaminated broken glass, metal, or sharp objects
• Human bites that break skin
• Contact with contaminated sharp instruments

2. Mucous Membranes
• Blood/body fluids splash into eyes, nose, or mouth
• Direct contact of mucous membranes with infectious material
• Most common: eye splashes during cleanup or medical procedures

3. Non-Intact Skin
• Contact with open cuts, sores, chapped skin, dermatitis, acne, abrasions
• Even tiny breaks in skin (hangnails, paper cuts) can allow entry
• Damaged skin loses its protective barrier function

4. Indirect Contact
• Touching contaminated surfaces then touching face/mouth/eyes
• Handling contaminated items without gloves
• Using contaminated equipment or instruments
💉 What Are "Other Potentially Infectious Materials" (OPIM)?
Besides blood, these body fluids can transmit bloodborne pathogens:
  • Semen and vaginal secretions
  • Cerebrospinal fluid (around brain and spine)
  • Synovial fluid (around joints)
  • Pleural fluid (around lungs)
  • Pericardial fluid (around heart)
  • Peritoneal fluid (abdominal cavity)
  • Amniotic fluid (around fetus)
  • Saliva in dental procedures
  • Any body fluid visibly contaminated with blood
  • Unfixed human tissue or organs
Generally NOT infectious (unless visibly bloody): Feces, urine, vomit, saliva (outside dental settings), sweat, tears, nasal secretions.
✓ Good News: Casual Contact Does NOT Transmit
You CANNOT get bloodborne pathogens from:
  • Shaking hands, hugging, or casual contact
  • Sharing food, drinks, or eating utensils
  • Coughing or sneezing
  • Using the same toilet, phone, or equipment
  • Swimming in the same pool
  • Insect bites (mosquitoes cannot transmit HIV/HBV/HCV)
Bloodborne pathogens require blood-to-blood or blood-to-mucous membrane contact.
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Universal Precautions

The foundation of protection

Universal Precautions is an approach to infection control where all human blood and certain body fluids are treated as if they contain infectious pathogens.

✓ The Universal Precautions Principle
"Treat ALL blood and OPIM as if they are infectious, regardless of the perceived status of the source."

Why this approach?
• You cannot tell if someone is infected by looking at them
• Many infected people don't know they're infected
• Testing is not always available or reliable
• Prevents discrimination against certain individuals
• Simpler—same precautions for everyone, every time

Bottom line: Whether it's a small cut, a large wound, blood from a known person, or blood from an unknown source—treat it the same way. Always protect yourself.
1
Assume ALL Blood Is Infectious

Never handle blood or OPIM with bare hands. Don't make assumptions based on who it came from or how "clean" they seem. Every exposure is a potential infection risk.

2
Use PPE Every Time

Don't skip PPE "just this once" or for "just a little blood." Small exposures can transmit disease. Gloves, eye protection, and other barriers must be used consistently.

3
Follow Proper Procedures

Use established protocols for handling, cleanup, and disposal. Don't cut corners or create shortcuts. Procedures exist because they work to prevent transmission.

4
Practice Good Hand Hygiene

Wash hands immediately after removing gloves, even if gloves appear intact. Use soap and water for at least 20 seconds. Hand hygiene is your last line of defense.

⚠️ Don't Make Exceptions
Common dangerous thoughts to avoid:
• "It's just a little blood, I don't need gloves"
• "I know this person is healthy"
• "I'm in a hurry, I'll be careful"
• "I've done this before without PPE and been fine"

One exposure is all it takes to get infected. HBV can remain infectious in dried blood for a week. Don't gamble with your health!
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Personal Protective Equipment (PPE)

Your barrier against infection

PPE creates a barrier between you and infectious materials. Your employer must provide appropriate PPE at no cost.

🧤
Gloves (Required for All Blood Contact)

Use: Anytime you might contact blood, OPIM, contaminated surfaces, or items. Type: Nitrile or latex (check for allergies). Single-use disposable. Change: Between tasks, if torn or contaminated, after each patient/incident. Never: Wash and reuse disposable gloves. Don't touch your face, phone, or clean surfaces while wearing contaminated gloves.

👓
Eye Protection (Goggles or Face Shields)

Use: When splashes, sprays, or droplets of blood/OPIM may occur. Type: Safety goggles with side shields, face shields, or safety glasses with side protection. Regular prescription glasses are NOT sufficient. Why: Mucous membranes in eyes are highly susceptible to infection. Most healthcare workers report not wearing eye protection during exposures that resulted in infection.

😷
Masks or Face Shields

Use: When splashes to mouth/nose are likely. Often used in combination with eye protection. Type: Surgical masks for splash protection. Face shields protect entire face. Important: Masks protect you AND prevent you from contaminating the scene (if you cough/sneeze during cleanup).

🦺
Gowns or Aprons

Use: When clothing may become contaminated with blood/OPIM. Large spills, extensive cleanup, or procedures producing splashes. Type: Fluid-resistant or impermeable gowns/aprons. Removal: Turn inside-out when removing to avoid contaminating yourself. Dispose properly.

❌ Common PPE Mistakes
  • Reusing disposable gloves: Contamination spreads. Use new gloves for each task.
  • Touching face with gloved hands: Transfers contamination to mucous membranes.
  • Removing gloves incorrectly: Contaminates hands. Learn proper removal technique.
  • Not wearing eye protection: "It's just a small cleanup"—splashes happen unexpectedly.
  • PPE not readily available: Don't start work without proper PPE accessible.
  • Wearing PPE outside contaminated area: Spreads contamination to clean areas.
✓ Proper Glove Removal Technique
Never pull gloves off by the fingertips!

1. Pinch outside of one glove near wrist (don't touch bare skin)
2. Peel away from hand, turning glove inside-out
3. Hold removed glove in gloved hand
4. Slide fingers of bare hand inside cuff of remaining glove
5. Peel off from inside, creating a bag with both gloves inside-out
6. Dispose in proper waste container
7. Wash hands immediately!
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Cleanup and Decontamination

Proper procedures save lives

Proper cleanup prevents exposure to you and others. Follow these procedures every time.

1
Assess the Situation

Before starting: Is the area safe? Do I have proper PPE? Is help available if needed? Do I have appropriate cleaning supplies? If not trained or equipped, secure the area and call for help. Don't attempt cleanup without proper protection.

2
Put on PPE

Minimum PPE: Disposable gloves. Also use: Eye protection (goggles/face shield), mask, gown/apron if splashing likely. Ensure: Gloves fit properly and cover wrist, no tears or holes. Put on PPE BEFORE approaching contaminated area.

3
Contain the Spill

Prevent spread: Use absorbent materials (paper towels, spill pads) to contain. Work from outside edges toward center. Don't: Use bare hands, smear the spill, or walk through it. Barrier: Place warning signs or barriers to keep others away.

4
Remove Visible Contamination

Pick up: Broken glass with tongs/forceps (never bare hands). Scoop up bulk material with disposable scoop. Absorbent pads: Use to soak up liquids. Dispose: Place all contaminated materials in red biohazard bag or rigid sharps container (for glass/sharps).

5
Decontaminate the Area

Disinfectant: Use EPA-registered disinfectant or 1:10 bleach solution (1 part bleach to 9 parts water). Apply: Spray or wipe entire contaminated area. Contact time: Leave disinfectant on surface for 10 minutes minimum. Wipe: Clean with fresh paper towels, dispose in biohazard bag.

6
Remove PPE and Wash Hands

Remove carefully: Don't contaminate yourself. Gloves off first (inside-out technique). Then gown, face shield, mask. Dispose: All PPE in biohazard bag. Wash hands: Thoroughly with soap and water for 20+ seconds. Even with gloves, handwashing is essential!

⚠️ Disinfectant Requirements
Effective against bloodborne pathogens:
• 1:10 bleach solution (fresh daily—loses effectiveness when diluted)
• EPA-registered hospital disinfectants (check label for HBV/HIV efficacy)
• Isopropyl alcohol (70% or higher) for small surfaces
• Commercial bloodborne pathogen spill kits

NOT effective: Soap and water alone, household cleaners without disinfectant, old/expired disinfectants.

Contact time matters! Disinfectant must remain wet on surface for specified time (usually 10 minutes) to kill pathogens. Don't just spray and immediately wipe.
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Sharps Safety

Preventing needlestick injuries

Sharps injuries (needlesticks, cuts from contaminated objects) are the most common route of occupational bloodborne pathogen transmission.

🚨 Sharps Safety Rules
1. Never Recap Needles
• Recapping causes most needlestick injuries
• Dispose of needles immediately after use in sharps container
• If recapping is absolutely necessary, use one-handed scoop technique

2. Use Safety-Engineered Sharps Devices
• Employers must provide needles with safety features (retractable needles, needleless systems)
• Activate safety feature immediately after use
• Engage safety mechanism before disposal

3. Dispose Immediately
• Place sharps in puncture-resistant, leak-proof sharps container immediately after use
• Don't set sharps down "temporarily" on work surfaces
• Don't overfill containers—replace when 2/3 full

4. Never Reach Into Sharps Containers
• Sharps containers are one-way disposal
• Never try to retrieve items or push contents down
• Don't remove sharps from containers for any reason

5. Handle Broken Glass With Care
• NEVER pick up broken glass with bare hands
• Use tongs, forceps, brush and dustpan, or thick cardboard
• Dispose of contaminated glass in sharps container, not regular trash
⚠️ What is a "Sharp"?
In bloodborne pathogen context, sharps include:
  • Needles (hypodermic, suture, etc.)
  • Syringes with needles
  • Scalpel blades
  • Lancets
  • Broken glass (if contaminated with blood/OPIM)
  • Broken capillary tubes
  • Any sharp object contaminated with blood/OPIM
✓ Sharps Container Requirements
OSHA-compliant sharps containers must be:
• Puncture-resistant (rigid plastic or metal)
• Leak-proof on sides and bottom
• Labeled with biohazard symbol
• Color-coded (typically red or labeled red)
• Closable with tight-fitting lid
• Located as close as possible to work area
• Easily accessible, not requiring reaching over obstacles
• Maintained upright during use
• Replaced when 2/3 full (not completely full!)

If you find an improperly discarded sharp: Don't pick it up with bare hands! Use tongs or mechanical device. Place in sharps container. Report the incident so proper disposal procedures can be reinforced.

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Post-Exposure Protocol

Immediate actions save lives

If you are exposed to blood or OPIM, immediate action is critical. Post-exposure prophylaxis (PEP) for HIV must begin within 2-72 hours to be effective.

1
Immediately Decontaminate Exposure Site

Needlestick/Cut: Wash with soap and water for 15 minutes. Don't squeeze or "milk" wound. Splash to eyes: Flush with water or saline for 15 minutes. Splash to nose/mouth: Rinse/spit with water for 15 minutes. Splash to intact skin: Wash with soap and water.

2
Report Immediately to Supervisor

Don't delay! Report exposure to supervisor or designated person IMMEDIATELY. Time is critical—HIV PEP is most effective within 2 hours. Provide details: what happened, what material (blood/OPIM), how contact occurred, when it occurred.

3
Seek Medical Evaluation

Same day: See designated healthcare provider or emergency department. Bring: Information about exposure incident. Medical provider will: Evaluate exposure severity, offer baseline testing, discuss treatment options (PEP for HIV, immunoglobulin for HBV if not vaccinated), provide follow-up schedule.

4
Document the Incident

Employer must: Complete exposure incident report. Investigate how exposure occurred. Identify control failures. Implement corrective measures. You will receive: Copy of evaluation report. Information about testing and follow-up. Rights and confidentiality notice.

5
Follow Through With Treatment

If prescribed PEP: Start within 2-72 hours. Take ALL medications as directed for full duration (typically 28 days). Follow-up testing: Baseline, 6 weeks, 3 months, 6 months. Don't skip: All follow-up appointments are important even if feeling fine.

⚠️ Time is Critical for HIV PEP
Post-Exposure Prophylaxis (PEP) for HIV:
• Most effective when started within 2 hours of exposure
• Can still be effective up to 72 hours post-exposure
• After 72 hours, effectiveness drops significantly
• Consists of antiretroviral medications taken for 28 days
• Reduces HIV transmission risk by over 80%

Don't delay seeking treatment due to embarrassment, fear, or thinking "it's not that bad." Every minute counts!
✓ Your Rights After Exposure
Employer must provide at no cost:
• Immediate confidential medical evaluation
• Testing (baseline and follow-up)
• Post-exposure prophylaxis if indicated
• Counseling
• Evaluation of reported illnesses

All information is confidential. Only medical provider and necessary personnel know about exposure. No retaliation for reporting exposure incident.
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Hepatitis B Vaccination

Your best protection against HBV

The Hepatitis B vaccine is safe, effective, and provides long-lasting protection. It's your best defense against the most common occupational bloodborne pathogen.

✓ HBV Vaccine Facts
Effectiveness:
• Over 95% effective in preventing HBV infection
• Protection lasts 20+ years, often lifetime
• Prevents acute infection, chronic disease, liver cancer, and cirrhosis

Safety:
• Used safely for over 30 years
• Cannot cause HBV infection (does not contain live virus)
• Side effects typically mild (sore arm, low-grade fever)
• Safe for pregnant and breastfeeding women

Vaccine Schedule:
• 3-dose series over 6 months
• Dose 1: Initial injection
• Dose 2: 1 month after first dose
• Dose 3: 6 months after first dose
• All three doses needed for full protection
• Immunity testing recommended after series completion
💉 Employer Requirements
Your employer MUST:
• Offer HBV vaccine series at no cost to all employees with occupational exposure risk
• Make vaccine available within 10 working days of initial assignment
• Provide vaccine at reasonable time and place (during work hours)
• Ensure vaccine administered by licensed healthcare professional
• Provide employee with educational materials about vaccine
• Allow time for pre-vaccination consultation

You can:
• Accept vaccine (recommended!)
• Decline vaccine by signing declination form
• Change your mind and get vaccine later at no cost
⚠️ Why Get Vaccinated?
HBV is the #1 occupational bloodborne pathogen risk:
• 100 times more infectious than HIV
• Can survive outside body for 7+ days in dried blood
• 5-10% of infected adults develop chronic infection
• Chronic HBV leads to cirrhosis, liver failure, liver cancer
• Vaccine is safe, effective, and FREE through your employer

Even if you work in low-risk environment now, you might change jobs or help in emergency. Getting vaccinated protects you for life!

Already vaccinated or unsure? Talk to your healthcare provider. Blood test can check if you have immunity. If you were vaccinated as a child, you likely still have protection.

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Exposure Control Plan

Your workplace safety blueprint

Every workplace with potential bloodborne pathogen exposure must have a written Exposure Control Plan. This plan details how your employer protects you from exposure.

📋 What's in the Exposure Control Plan?
Required components:

1. Exposure Determination
• Lists all job classifications with occupational exposure
• Identifies tasks and procedures where exposure occurs
• Categories: employees with direct exposure risk vs. potential exposure

2. Methods of Compliance
• Universal precautions implementation
• Engineering controls (sharps containers, needleless systems, biohazard bags)
• Work practice controls (handwashing, no eating/drinking in exposure areas)
• PPE requirements and availability

3. Hepatitis B Vaccination
• Who is offered vaccine
• How to access vaccine
• Declination form if employee refuses

4. Post-Exposure Evaluation and Follow-up
• What to do after exposure
• Who to contact
• Medical evaluation procedures
• Testing and treatment protocols

5. Communication of Hazards
• Warning labels and signs
• Employee training requirements
• Information accessibility

6. Recordkeeping
• Medical records
• Training records
• Sharps injury log
✓ Your Right to Access the Plan
Employees have the right to:
• Review the Exposure Control Plan
• Request a copy
• Provide input on the plan's effectiveness
• Participate in annual review/update

The plan must be:
• Available to employees upon request
• Accessible during work hours
• Reviewed and updated annually
• Updated when new tasks/procedures create exposure risk

Ask your supervisor where the Exposure Control Plan is kept!
⚠️ Engineering and Work Practice Controls
Engineering Controls (physical devices):
• Sharps disposal containers
• Self-sheathing needles
• Needleless systems
• Splash guards/shields
• Handwashing facilities or hand sanitizer stations

Work Practice Controls (procedures):
• No recapping needles
• No eating/drinking/smoking in exposure areas
• No storing food in contaminated refrigerators
• Handwashing after glove removal
• Proper waste segregation
• Contaminated laundry handling procedures

Both types work together to minimize exposure risk!
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Bloodborne Pathogens Key Takeaways

Remember these critical points

Essential bloodborne pathogen knowledge:

  • Three major pathogens: HBV (most infectious, vaccine available), HCV (no vaccine, curable with treatment), HIV (lowest occupational risk, PEP available).
  • Universal precautions: Treat ALL blood and OPIM as infectious regardless of source. You cannot tell by looking if someone is infected.
  • Transmission routes: Percutaneous (needlestick), mucous membranes (eyes/nose/mouth), non-intact skin (cuts/sores), indirect contact (contaminated surfaces).
  • PPE is essential: Gloves (always), eye protection (if splashes possible), masks/face shields, gowns/aprons. Employer must provide free PPE.
  • Proper cleanup: Assess, don PPE, contain, remove visible material, decontaminate with disinfectant (10-min contact time), dispose properly, wash hands.
  • Never recap needles: Dispose immediately in puncture-resistant sharps container. Replace when 2/3 full. Never reach into sharps containers.
  • Post-exposure protocol: Wash 15 min, report immediately, seek medical evaluation same day, start PEP within 2-72 hours for HIV exposure.
  • Get HBV vaccine: Free through employer, 95%+ effective, lasts 20+ years. Best protection against most common occupational bloodborne pathogen.
  • Know your Exposure Control Plan: You have right to access it. Understand procedures, controls, and reporting requirements at your workplace.
  • Time is critical: HIV PEP most effective within 2 hours. HBV treatment needed within 24 hours if not vaccinated. Don't delay reporting!
✓ Bottom Line
Bloodborne pathogen exposure is 100% preventable!

• Follow universal precautions every time
• Use appropriate PPE
• Handle sharps safely
• Clean up properly
• Get vaccinated against HBV
• Report exposures immediately

These simple actions protect you from life-threatening infections. Make them habits!
Quiz Question 1 of 3

Knowledge Check

What does "universal precautions" mean?
Only use precautions with patients who have known infections
Treat all blood and body fluids as if they are infectious
Use precautions only in healthcare settings
Precautions are only necessary for large amounts of blood
Quiz Question 2 of 3

Knowledge Check

What should you do FIRST if you experience a bloodborne pathogen exposure (needlestick, splash to eyes, etc.)?
File an incident report
Immediately wash/flush the exposure site for 15 minutes
Wait to see if symptoms develop
Go home and rest
Quiz Question 3 of 3

Knowledge Check

Which bloodborne pathogen has a vaccine that your employer must offer for free?
HIV
Hepatitis C (HCV)
Hepatitis B (HBV)
All of the above have vaccines
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