City council flu briefing feb 2013

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City council flu briefing feb 2013

  1. 1. Chicago Department of Public Health Influenza Update February 6, 2013 Bechara Choucair, MD Commissioner Chicago Department of Public Health @choucair on Rahm Emanuel Bechara Choucair, MD Mayor Commissioner
  2. 2. Influenza• Highly contagious respiratory illness• Causes yearly epidemics and sporadic pandemics• Affects all age groups – Highest illness rates in young children• Severe illness, hospitalizations and deaths disproportionately affect very young, elderly, pregnant women and persons with certain medical conditions
  3. 3. Influenza• About half of hospitalizations and 90% of influenza- related deaths occur among persons >65 years – Severe illness can occur in any age group• Significant cost burden to the US economy - $10.3 billion in direct cost to the medical system annually• Influenza vaccination  primary means to prevent illness and complications from influenza Molinari et al 2007
  4. 4. Prevention• Vaccine is the best form of protection – Recommended for everyone > 6 months – Safe and effective – Does not cause “the flu”• Vaccine supply, US – Doses manufactured: 145 million – Doses distributed: 128 million
  5. 5. Shot or Spray?Anyone > 6 months Healthy, non pregnant, 2-49 years
  6. 6. Additional Prevention Measures• Wash your hands often with soap and water. Use an alcohol-based hand sanitizer if soap and water are not available.• Avoid touching your eyes, nose and mouth.• Dont share cups, straws or anything that goes in the mouth.• Cover your nose and mouth when you cough and sneeze, and promptly discard used facial tissues• If you are sick, stay home.
  7. 7. Influenza 2012-13 Season, US• Influenza activity increased early (December)• Predominant strain was influenza A (H3N2) – Typically associated with more severe seasons• Seniors disproportionately affected – Hospitalizations: 50% among persons 65 years and older – Deaths: 80% among persons 65 years and older• Over 45 pediatric deaths reported – Unvaccinated: ~80%
  8. 8. Laboratory-Confirmed Influenza Hospitalizations, US, October 1- January 26,2013 140 120 65+ yrs 100Cases per 100,000 80 60 40 0-4 yrs 50-64 yrs 20 18-49 yrs 5-17 yrs 0 6 13 20 27 3 10 17 24 1 8 15 22 29 5 12 19 26 2 9 16 23 2 9 16 23 30 6 13 20 27 4 11 18 Oct Nov Dec Jan Feb Mar Apr May Week Ending Date
  9. 9. Number of Reported Influenza-Associated ICU Hospitalizations for Current Season and Previous Season, Chicago 40 N=159 2011-2012 35 2012-2013 30 25 20 N=63 15 10 5 0 6 13 20 27 3 10 17 24 1 8 15 22 29 5 12 19 26 2 9 16 23 2 9 16 23 30 6 13 20 27 4 11 18 Oct Nov Dec Jan Feb Mar Apr May Week Ending Date
  10. 10. Percent of ED Visits Attributed to ILI, Chicago, by Week for Current Influenza Season and Previous Two Seasons1098 7.6% 2012-20137 6.1% 2010-2011 5.5%6 2011-2012543210 6 13 20 27 3 10 17 24 1 8 15 22 29 5 12 19 26 2 9 16 23 2 9 16 23 30 6 13 20 27 4 11 18 Oct Nov Dec Jan Feb Mar Apr May Week Ending Date
  11. 11. Percent of Outpatient Visits Attributed to ILI (ILINet), Chicago, by Week for Current Influenza Season and Previous Two Seasons 10 9 7.4% 7.2% 8 2012-2013 2011-2012 7 6 4.4% 5 2010-2011 4 3 2 1 0 6 13 20 27 3 10 17 24 1 8 15 22 29 5 12 19 26 2 9 16 23 2 9 16 23 30 6 13 20 27 4 11 18 Oct Nov Dec Jan Feb Mar Apr May Week Ending Date
  12. 12. Influenza Testing Results Reported by Chicago Laboratories Performing Influenza Testing by RT-PCR Influenza Season Laboratory Results 2011-2012 2012-2013 # Specimens Tested* 2,642 7,709 # Specimens Positive 16 1,302 Positive for Influenza A 13 1,262 Subtype H3N2 7 1,014 Subtype 2009 H1N1 2 78 Not Subtyped 4 170 Positive for Influenza B 3 40 *Seven Chicago laboratories performing influenza subtyping that have consistently reported results for both seasons.
  13. 13. Public Health Emergency?
  14. 14. Assuring Access to Vaccine• Illinois law (2012) allows pharmacists to administer influenza vaccine to children > 10 years• Influenza vaccine clinic map “app” – Enter address to find a nearby clinic – Code shared with Boston and Philadelphia to create their version of the app• Vaccine distribution – Vaccines for Children Providers: > 235,000 – Federally Qualified Health Centers: > 27,010• Walk-in vaccination clinics (Sept-Dec 2012) – Vaccinated > 11,400• Fasttrack Immunization Clinics/CareVan – Vaccinated >20-60/site/day
  15. 15. Aldermanic Office Influenza Vaccine Clinics• CDPH coordinated sites: 47 – October 1 – December 8, 2012 – Number vaccinated: 5,294• Vaccine purchase supported through Corporate Budget – $442,000 annually
  16. 16. Increasing Public Awareness• “Vote Healthy” Campaign – October and November• Vaccinate Chicago Week (December 2 – 8, 2012) – Traditional media (Sun Times, Tribune, radio) and social media (Facebook, Twitter) – Partnered with Illinois AAP, Blue Cross Blue Shield of IL, and Chicago Area Immunization campaign to communicate to providers and organize community outreach initiatives – CDPH, Walgreens and U of C administered > 17,000 flu vaccines
  17. 17. Increasing Public Awareness
  18. 18. What Can You Do?• Set an example – Get Vaccinated!• Stay informed – www.cityofchicago.org/health; click on ‘influenza’ – Email brian.richardson@cityofchicago.org to receive regular updates on CDPH community events and public information• Share influenza disease and prevention information with your constituents• Host influenza vaccine clinics
  19. 19. facebook.com/ChicagoPublicHealthGplus.to/ChiPublicHealth@ChiPublicHealth312.747.9884CityofChicago.org/HealthHealthyChicago@CityofChicago.org

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