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

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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 cases

International 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

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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