Influenza Presentation

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Influenza Presentation
Presented by
The Brant County Health Unit
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AGENDA

• What Is Influenza?
• Vaccine Testing and Safety
• Impact of Influenza
• Recommended Recipients
• Influenza Vaccines and Components
• Side Effects and Contra-indications
• Dosage and Administration
• Myths and Misconceptions
• Questions and Discussion

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What is Influenza?

• commonly known as the flu
• very serious, highly contagious viral infection
  of respiratory tract
• caused by influenza virus

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How is influenza spread?

• person to person through respiratory droplet
  (coughing, sneezing, talking)
• contaminated surfaces (toys, utensils, door
  handles, unwashed hands, phones, keyboards etc.)

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• Incubation Period
• 1 3 days

• Contagious Period
• 1 day before symptoms, up to 7 days after onset
  of symptoms (children up to 14 days)

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Symptoms

• fever, chills
• sore throat
• cough
• headaches
• body aches and weakness
• fatigue

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Vaccine Testing and Safety

• Bureau of Biologics and Radiopharmaceuticals
  (BOBR)
• Surveillance Systems
• -Health Care Providers
• -IMPACT (Immunization Monitoring Program,
  ACTive)
• -Canadian Pediatric Surveillance Program
  (CPSP)
• -Advisory Committee on Causality Assessment

• Recommendations on
• Vaccine Use
• NACI (National Advisory Committee on
  Immunization)
• Infectious Diseases and Immunization Committee

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Impact of Influenza In Canada

• 10-25 of population affected yearly (higher
  rates in children and elderly)
• 70-75,000 hospitalizations
• 6-7,000 deaths d.t pneumonia and influenza
• 500-1,500 deaths d.t influenza
• (Public Health Agency of Canada)

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Recommended Recipients

• anyone over 6 months of age with no
  contra-indications
• high priority groups

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HIGH PRIORITY GROUPS

• People at high risk of influenza-related
  complications
• Chronic health conditions
• Residents of nursing homes or chronic care
  facilities
• gt65 years old
• 6-23 months old

• People capable of transmitting influenza to those
  at high risk
• Health care providers
• Household contacts
• Child care providers (0-23 months)
• Service providers within closed settings ie. crew
  on ships

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• Others
• People in direct contact with avian influenza
  infected poultry during culling operations

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2006-2007 Influenza Strains

• A/New Caledonia/20/99 (H1N1)-like
• A/Wisconsin/67/2005 (H3N2)-like
• B/Malaysia/2506/2004-like strains

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2 Trivalent Influenza Vaccines

• Vaxigrip
• Fluviral

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Components of Influenza Vaccine

• Thimerosal
• Formaldehyde
• Neomycin (vaxigrip only)
• Egg protein

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Dosage

• 6-35 months 0.25 mL, 1 or 2 doses
• 3-8 years 0.5 mL, 1 or 2 doses
• gt9 years 0.5 mL, 1 dose
• lt9 years require 2 doses 4 weeks apart if
  previously unvaccinated

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Administration

• Store at 2-8C, do not freeze
• Shake well
• IM Deltoid (lt12 months use thigh)
• May be given at same time as other vaccines
• Date opened multi dose vials and discard
  (Vaxigrip- 7 days, Fluviral- 28 days)

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Side Effects

• Local reactions (redness, soreness, swelling)
• Fever
• Anaphylaxis

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Contra-indications

• lt 6 months old
• Fever
• Allergy to any component of vaccine or serious
  allergic reaction to previous dose
• Anaphylaxis to eggs or chicken proteins
• History of Guillain-Barre Syndrome (GBS)
• History of Oculo-Respiratory Syndrome (ORS)
• Active neurologic disorder

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Myths and Misconceptions

1. I didnt get the flu shot last year and didnt
   get sick. I dont need a flu shot.
2. Im young and healthy, the flu is just a bad
   cold. I dont need a flu shot.
3. Getting the flu shot will give me the flu
4. Flu shots are not worth getting because they are
   not very effective

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Questions Discussion