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H1N1 virus -update

Dr Anna Sharma MBBS MSc MRCP(paeds) FRCPCH Consultant paediatrician Immunisation clinical lead-Hillingdon PCT. H1N1 virus -update. Flu pandemics. Name   Year   Deaths (millions)   Subtype   Russian Flu 1889-90 1 possibly H2N2 Spanish Flu 1918-20 40 (?) H1N1

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H1N1 virus -update

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  1. Dr Anna Sharma MBBS MSc MRCP(paeds) FRCPCH Consultant paediatrician Immunisation clinical lead-Hillingdon PCT H1N1 virus -update

  2. Flu pandemics Name   Year   Deaths (millions)   Subtype   • Russian Flu1889-90 1 possibly H2N2 • Spanish Flu1918-20 40 (?) H1N1 • Asian Flu1957-58 1-1.5 H2N2 • Hong Kong Flu1968-69 0.75 H3N2 • New Jersey Flu 1976 H1N1 • Swine Flu2009 - 0.15 H1N1

  3. 2009/10 H1N1 pandemic

  4. UK mortality 1918figure taken from Center for Disease Control and Prevention USA

  5. 2009/2010 pandemic

  6. 1918-19 epidemic-comparision of age profile with 1917 seasonal flu age profile

  7. Age distribution of swine flu hospitalisations in UK to date

  8. Uptake in 2008/9 74.1% in over 65’s 47.1% in clinical risk groups under 65 16.5% in Staff nationally WHO target is 75% Uptake in 2009/2010 70% seasonal flu 30% over 65’s H1N1 27% under 65s H1N1 16.8% under 5s H1N1 70% of GPs 57% of all HCW staff DH target is 51% Vaccine uptake

  9. Clinical risk groups

  10. Definition of ‘High risk’ groups • Immunosuppressed • Long term respiratory illness • Long term renal illness

  11. Clinical risk groups-contd

  12. Clinical risk groups-contd

  13. Under fives extension • Runs from 8th Dec 2009 to 31st March 2010 • All children over 6 months and under 5 years • Dob range 8th Jun 2004 to 31st October 2009

  14. Vaccines and doses • Preferred: GSK Pandemrix • One dose of 0.25ml for those under 9y unless immunosuppressed • Optional for egg allergy/mothers preference: Baxter Celvapan • Two doses of 0.5 ml for all ages: three weeks between each dose

  15. Vaccine safety? • 3.2 million doses of vaccine given • 214,000 children • 132,000 pregnant women (1 in 5) • 387,000 health care workers • No major side effects • Data as of 22 Jan 2010 UK

  16. A very big Thank you • To all Hillingdon’s Family doctors • Practice nurses • Practice managers • Practice support staff • Who have risen to the occasion magnificently

  17. Keep it up till March • ‘When the virus returns in the 2010 flu season those who die will do so from a vaccine preventable disease’ • Chief Medical Officer Jan 22 2010

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