Michigan Update on H1N1 Influenza and Vaccine
Michigan Department of Community Health
- Eden V. Wells, MD, MPH
- Internal Use Only
- For Official Use Only
- Sensitive But Unclassified
- October 14, 2009
All 45 local health departments:
–Health Officer with legal authorities
–Medical Director
–Emergency Preparedness Coordinator
–Immunization Staff
–Communicable Disease Staff
–Coordination of plans
–Partnerships
- Emergency Management
- Businesses
- Community/organizations
- Schools
- Healthcare
2009 Novel Influenza A (H1N1)
- April 2009, Mexico and SE California
- Rapid spread through Mexico and US
- May 2009, intercontinental spread
- WHO Pandemic Phase 6-June 2009
…
International Epidemiology Update
2009 H1N1 Influenza
As of October 2, 2009:
–World Health Organization (WHO) regions have reported over 343,298 laboratory-confirmed cases
–At least 4,108 deaths
–The laboratory-confirmed cases represent a substantial underestimation of total casesInternational Epidemiology Update
- From April 19 to September 19, 2009, 59.8% of influenza were 2009 H1N1 viruses
- 2009 H1N1 is still circulating widely
–Southern Hemisphere -trends are downward or baseline in temperate regions
–Tropical Asia -variable rates
–Tropical regions of Central America –increased activity
–Northern temperate zones –increased activity
…
Michigan-October 13, 2009
- Since September 1, 2009:
–55 hospitalizations
–5 deaths
- 8,000-11,000 cases influenza-like illness cases/wk over last 2 weeks
…
Pneumococcal Polysaccharide Vaccine (PPSV23) and Influenza
- Influenza predisposes persons to bacterial community-acquired pneumonia
- Ensure high risk patients have received PPSV23 vaccine
–Any person age 65 years or older
–Any person 2-64 years with a high-risk condition
- New recommended groups for vaccination are:
–Persons 19 years of age or older who have asthma or who smoke cigarettes
No more than 2 lifetimedoses are recommended, spaced at least 5 years apart
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