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Bioterrorism Readiness Plan Shands Hospital at the University of Florida 2001.

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Presentation on theme: "Bioterrorism Readiness Plan Shands Hospital at the University of Florida 2001."— Presentation transcript:

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2 Bioterrorism Readiness Plan Shands Hospital at the University of Florida 2001

3 Tokyo Train Station

4 Aerial view of anthrax production facility

5 Where and when will bioterrorism hit next?

6 Biological Weapons?????

7 Bioterrorism Readiness Planning Subcommittee  Sub committee of Infection Prevention and Control Committee  Chair: Kenneth Rand, MD  Multidisciplinary Membership

8 Multidisciplinary Membership  Infection Control Staff  Hospital Epidemiologist  Physicians Infectious Disease Physicians Emergency Medicine Chief and other ER Physicians Surgeons  Emergency Department Nurse Manager  Safety Director  Public Relations  Respiratory Care  Laboratory  Facilities Operations  Public Health Administrator & other agencies  Materials Management  Administration

9 Bioterrorism Readiness Plan Purpose To be a:  Reference on bioterrorism  A practical and realistic institutional response for a real or suspected bioterrorism attack  Plan that incorporates local and state health agencies recommendations  A branch of existing disaster preparedness and other emergency plans

10 Bioterrorism Readiness Plan Components  Infection Control Activities  Laboratory Policies  Public Inquiry  Disease Specific Information  Appendix  FBI Field Offices  Telephone Directory of State and Territorial Public Health Directors  Relevant Websites

11 Indications of a Possible Bioterrorism Event  Unusual illness in a population  Large number of ill persons with similar disease  Large numbers of cases of unexplained diseases or death  Higher morbidity or mortality in association with a common disease or syndrome  Single case of unusual agent  No illness in persons not exposed to common ventilation system  Threat received indicating exposure

12 Bioterrorism Readiness Plan Basic Premises  In a case of suspected/real bioterrorism related event or outbreak  All personnel are responsible for immediately reporting suspected event.  The Shands Disaster Plan shall be activated in conjunction with this Bioterrorism Readiness Plan.

13 Bioterrorism Readiness Plan Authority to rapidly implement prevention and control measures  Administration  Director On Call  Infection Prevention and Control  Hospital Epidemiologist  Chairman  Director or designee  Safety and Security  Director or designee

14 Bioterrorism Readiness Plan Communication Network Individual Shands Operator Infection Control & Safety and Security Director-On-Call Public Health Local and State Authorities ( EMS, Police, Fire Departments) FBI CDC Administration DEPTSDEPTS Public Relations

15 Maximum Containment Lab

16 Bioterrorism Readiness Plan Staff Education  Initial special program to introduce plan  Video tape and module  Ongoing education incorporated into orientation and annual Infection Control and Safety programs  Bioterrorism Preparedness Drills

17 Bioterrorism Readiness Plan Section I: General Recommendation for any Suspected Event  Reporting Requirements and Contact Information  Internal  External  Potential Agents  Syndrome Based  Epidemiologic Features  Patient, Visitor and Public Information  Pharmacy

18 Bioterrorism Readiness Plan Section I: General Recommendation for any Suspected Event: Infection Control Practices  Isolation  Patient Placement  Patient Transport  Cleaning, Disinfection and Sterilization  Discharge Management  Post-mortem Care  Post Exposure Management  Decontamination of Patients and Environment  Prophylaxis and post-exposure management  Triage  Psychological Aspects of Bioterrorism

19 Bioterrorism Readiness Plan Section I: General Recommendation for any Suspected Event: Infection Control Practices  Laboratory Support and Confirmation  Obtaining diagnostic samples  Criteria for processing  Transportation of clinical specimens  Management and handling of criminal investigation specimens

20 Bioterrorism Readiness Plan Section II: Agent Specific Recommendations  Anthrax  Botulinum Toxin  Plague  Smallpox  Ricin

21 Anthrax

22  Transmission:  Inhalation  Ingestion  Skin contact  Associated with infected animals such as sheep, goats, and cattle (Woolsorter’s disease)  No person to person transmission occurs from patients with respiratory disease caused by anthrax  Direct exposure to cutaneous anthrax lesions may result in secondary cutaneous infections

23 Anthrax: Mode of Transmission for Bioterrorism  Spore is durable  Delivered as an aerosol= inhale spores  Ingestion of contaminated food  Cutaneous contact with spores or spore- contaminated material

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25 Anthrax time curve after incident

26 Inhalation Anthrax  Incubation Period  Range 1 day to 8 weeks (average 5 days)  Period of Communicability  A person infected with the respiratory form of anthrax can not spread it to others.

27 Anthrax Clinical Features  Pulmonary Non-specific flu-like symptoms 2-4 days after symptoms –Abrupt onset of respiratory failure  Widened mediastinum on chest x-ray High mortality almost 100% if treatment initiated after onset of respiratory symptoms

28 Anthrax Preventive Measures  Standard Precautions  Antibiotic Therapy  Ciprofloxacin  Levofloxacin  Ofloxacin  Doxycycline  Amoxicillin for exposed children  Vaccination

29 Botulism

30  Clostridium botulism  Present in soil and marine sediment  Foodborne botulism most common disease  Inhalation botulism may also occur

31 Botulism Clinical Features  GI symptoms for food borne disease  Responsive patient with absence of fever  Blurred vision  Symmetric ( on both sides) descending weakness and paralysis  Respiratory failure- inability to breathe

32 Botulism: Mode of Transmission  Mode of Transmission  Ingestion of toxin-contaminated food  Aerosolization of toxin  Incubation Period  Neurologic symptoms from food borne botulism begin 12-36 hours after ingestion  Neurologic symptoms of inhalation botulism begin 24-72 hours after aerosol exposure  Not transmitted person to person

33 Botulism: Exposure Management  Preventative Measures  Vaccine  Standard Precautions  Prophylaxis and Post exposure immunization  Botulinum antitoxin  Patients may require mechanical ventilation

34 Plague  Causative agent: Yersinia pestis, a gram-negative bacillus  usually zoonotic disease of rodents  usually transmitted by infected fleas Bubonic plague - Lymph system infection Septicemia plague - Bloodstream infection  Bioterrorism exposure are expected to be airborne resulting in a pulmonary variant, pneumonic plague - Respiratory Infection

35 Life cycle of plague

36 Plague Clinical Features  Pneumonic Plague  Fever, cough, chest pain  Hemoptysis (Bloody sputum)  Bubonic Plague - skin and tissue disease form

37 Plague  Transmission  Normally from an infected rodent to man by infected flea  Bioterrorism-related = dispersion of an aerosol  Person to person transmission of pneumonic plague is possible via large aerosol droplets  Communicability  Via Productive cough  Droplet Precautions until 72 hours after initiation of effective antimicrobial therapy  Incubation: 2-8 days due to fleaborne disease or 1-3 days for pulmonary exposure

38 Plague Preventive Measures  Droplet Precautions  Private Room or put cases in together in a room(cohort), doors closed but no special ventilation needed  Maintain isolation for 72 hours after antibiotics are given  Vaccine not practical since requires multiple doses over several weeks and post exposure immunity has no utility  Post exposure Prophylaxis - See your doctor

39 Last known person with smallpox in the world Public Health Quarantine Sign

40 Smallpox  Causative agent:Variola virus  Eradicated clinical smallpox from world  Two WHO labs store virus  Severe morbidity if released into non-immune population  Single case is considered a public health emergency  Can be aerosolized or contaminated items can be used to deploy this virus as a biological warfare agent

41 Smallpox in Child

42 Smallpox Clinical Features  Acute viral illness with severe skin lesions  Can have fever and aches for 2-4 days before rash  Rash most prominent on face and extremities Rash scabs in 1-2 weeks  Variola rash occurs all at once in contrast to varicella’s “crops” of lesions

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44 Smallpox  Mode of transmission: airborne, droplet and contact.  Person to person spread  Incubation Period = 7-17 days (ave. = 12 days)  Period of Communicability = Variola becomes infectious at onset of rash and continues to be infectious until their scabs fall off which is approximately 3 weeks

45 Smallpox Preventive Measures  STRICT ISOLATION  Negative air pressure room, doors must remain closed, verify ventilation  Mask, gown and glove for entry into room  Limit transport  Handle all surfaces and supplies as contaminated

46 Smallpox Preventive Measures  Smallpox vaccine  Vaccinia virus is used for vaccine(not smallpox virus)  Does not confer lifelong immunity  Must be given within 7 days post exposure to be effective

47 Ricin  Causative agent: A biological toxin (poison) derived from the castor plant and castor oil.  Exposure routes:  inhalation (breathe it in)  percutaneous (injection or contact with skin, eyes, and mucous membranes)  ingestion (eat it!)

48 Ricin Clinical Features  Weakness, fever, cough and fluid in lungs occur within 18 hours after inhalation(breathe in toxin) exposure  Progresses to severe breathing trouble and then death from hypoxemia within 36-72 hours  Diagnosis: signs and symptoms found in large number of a geographically clustered group and/or lab tests

49 Ricin  Treatment: support patient, manage symptoms and keep comfortable  Prophylaxis: None available  Prevention  Protective mask to prevent inhalation  Standard Precautions Weak hypochlorite solution (0.1% sodium hypochlorite) and/or soap and water can decontaminate skin surfaces

50 Steps in Preparing for a Bioterrorism Event  Know how to locate policy  Review Executive Summary of Plan for inclusion in Disaster Manual  Access Specific Departmental Policies  ER  Pharmacy  Use Information Sheets for Patients and Public  Learn about bioterrorism by completing module.  Get your questions answered by experts  Coordinate plan with state and local authorities


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