Influenza Program 2018

Transcription

1 Influenza Program 2018 Presented by Angela Newbound SA PHN Immunisation Hub Coordinator The Immunisation Hub thanks the Immunisation Section CDCB for preparing this presentation

2 Objectives Better understanding of: Influenza Vaccines Available for 2018 Eligible Groups for Funded Vaccine Program How to Order Influenza Vaccines Vaccine Safety Influenza Resources

3 Influenza virus-review Reservoir Influenza A may infect both humans and animals Influenza B & C humans the only known reservoir Transmission Direct contact with infected persons Contact with contaminated objects e.g. doorknobs, toys Inhalation of virus-laden aerosols (coughing, sneezing, and talking) Image: Courtesy of Centres for Disease Control and Prevention

4 Incubation Period & Infectious Period Incubation period: Typically 3 or 4 days, range 1 to 7 days Infectious period: 24 hours before onset to 7 days after onset Low level of infectiousness after 5 days Patients no longer infectious if well AND 24 hours after resolution of fever (usually 5 to 7 days) Also not infectious if 24 hours after resolution of fever AND 72 hours of antiviral medication Infectious for longer in children and people with weakened immune systems

5 Influenza: Clinical Features Influenza is more than a bad cold Symptoms Chills Shakes Headache Muscle aches Fever Dry cough Respiratory complaints Sometimes abdominal complaints (such as pain and diarrhoea) and involvement of other body systems occurs Flu is often self-limiting but it can cause severe illness and life threatening complications

6 Complications Complications can include Pneumonia Myocarditis Neurological complications Secondary bacterial infections, such as pneumonia

7 Influenza Occurrence in Australia Annual statistics predominantly between late Autumn and early Spring all year round in the tropics 5-20% of the population may be affected 1500 to 2500 deaths 18,000 hospitalisations 300,000 GP consultations $85m in health system costs

8 Classification of subtypes Naming is expressed in this order Virus type Geographic site where it was first isolated Strain number Year of isolation Virus subtype

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10 Influenza in South Australia 2016 there were 7,871 influenza notifications to CDCB 2017 saw the highest influenza notification rates in the last 10 years with 27,655 confirmed influenza notifications reported to CDCB 2017 season saw a 250% increase in influenza cases from the previous year Note: The 2009 Pandemic only reported 10,763 cases on influenza in South Australia

11 NIP Influenza Vaccine Brands for 2018 Vaccine Brand 6 months to less than 3 years FluQuadri Junior Fluarix Tetra FluQuadri Afluria Quad Fluzone High Dose Vaccine Fluad Adjuvanted Vaccine

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13 Strains Covered in 2018 QIV vaccines Influenza A/ Michigan H1N1 Singapore H3N2* Influenza B/ Phuket Brisbaneᵝ *Was Hong Kong strain in 2017 ᵝThis strain is not in the trivalent vaccine

14 New 2018 Trivalent Influenza Vaccines Fluzone - Sanofi Pasteur High Dose Vaccine Trivalent Influenza Vaccine 0.5ml IM Injection Fluad - Seqirus Adjuvanted Vaccine Trivalent Influenza Vaccine 0.5ml IM Injection

15 Fluad and Fluzone Fluad and Fluzone can only be given to people 65 Cannot be given to pregnant women and children People aged 65 and older can have the QIV instead of TIV if they choose

16 Immunogenicity of High Dose and Adjuvanted TIV Influenza vaccines Immune Systems become weaker with age which can be further compromised with medical conditions and medical therapies High dose flu vaccines promote a better immune response in persons 65yrs and older Studies* have shown that in a group that were given the high dose vaccine they showed: Higher Antibody responses Better protection against lab confirmed influenza illness Reduced risk of respiratory-related hospital admissions from nursing home residents aged 65 years and older *Efficacy of High-Dose versus Standard-Dose Influenza Vaccine in Older Adults Comparative effectiveness of high-dose versus standard-dose influenza vaccination on numbers of US nursing home residents admitted to hospital: a cluster-randomised trial-lancet Respiratory Medicine

17 Groups eligible to receive funded vaccine Pregnant Women Aboriginal Children aged 6 months to less than 5 years Aboriginal persons aged 15 years or older Medical at risk* persons aged 6 months and older Persons aged 65 years and older (Trivalent or Quadrivalent) *For Medical at Risk groups see NCIRS Influenza fact sheet

18 Vaccine Ordering & Delivery Providers can commence ordering from 9 th April 2018 Deliveries will commence from 10 th April 2018 Refer to your delivery schedule for your fortnightly delivery dates and order cut off times Only order the number of vaccines that can be safely stored in your fridge without over crowding Providers must estimate numbers of each vaccine brand required for different eligible groups

19 Weekly Ordering After the first fortnight, weekly orders can be requested Special delivery requests outside of scheduled delivery times due to running out of stock are considered on a case by case basis Educate staff to plan their individual flu programs realistically in line with their vaccine fridge capacity and VDC delivery schedules

20 Vaccine Order Splits Vaccine order form will split influenza vaccine into 3 different ordering categories Influenza Junior (6mths to <3yrs) FluQuadri Junior Influenza >3 yrs and over FluQuadri, Fluarix Tetra, Afluria Quad (from 18yrs) Influenza from 65yrs and over Fluzone or Fluad Providers will receive age appropriate available flu vaccines at time of order

21 Online Immunisation Handbook 10 th Edition - Recommendations Persons with known egg allergy can be safely vaccinated with influenza vaccines: *Anaphylaxis - Medical Facility *Sensitivity - Any Setting Two doses are recommended for persons receiving influenza vaccine for the first time who are: *Immunocompromised *Children 6 months to less than 9 years

22 AIR Reporting AIR Whole of Life Register Influenza vaccine doses are to be reported to the Australian Immunisation Register Will reduce likelihood of inadvertently giving the vaccine again Staff should check AIR before administering flu vaccine to all patients to avoid program errors

23 Influenza Education An influenza component is available in the Understanding Vaccines for Adult Vaccination Requirements for Workplace Programs online learning

24 Influenza Resources Posters and pamphlets can be ordered from the Commonwealth DOH website Influenza Program schedules, Vaccine safety leaflets and Record of immunisation cards are available from SA Health Pharmaceutical companies have other promotional influenza materials available

25 Commonwealth Resources

26 References and Useful Websites Immunisation Section SA Health - Immunisation Providers Australian Department of Health and Ageing - Immunise Australia Program - Immunisation Handbook 10 th ed. Australian Government Department of Health National Centre for Immunisation Research & Surveillance (NCIRS) Immunisation Coalition

27 SA PHN Immunisation Hub SA PHN Immunisation Hub supports immunisation providers and community through: Clinical advice (phone, text, ) Clinical support (planning catchups, AIR issues) Champion Nurse support Immunisation Provider Network (IPN) Education events (face to face and webinars) Resource development Attending community events Angela Newbound Immunisation Hub Coordinator (08) or Alex Stevens Immunisation Hub Project Officer (08) or Tracy Maynard Nurse Consultant (Country SA PHN) (08) or Champion Immunisation Nurses (HAIMS) (08)

28 Thank you, any Questions?