MDCH - Influenza Testing and Surveillance

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Influenza Testing and Surveillance

Influenza Testing & Surveillance
Bureau of Laboratories

Novel Influenza A (H1N1) 2009

For the fall 2009 Influenza Season, the MDCH Bureau of Laboratories is NOT performing diagnostic testing for 2009 novel influenza A, H1. We will be testing only for public health case investigations (ICU hospitalizations, severly ill pregnant women, patients with unusual and severe presentations, deaths) and for congregate setting outbreak/cluster investigations along with surveillance testing through the Michigan Sentinel Physician and Sentinel Laboratory Programs. See the MDCH 2009-2010 Influenza Testing Algorithm for details.

For the most current updates, see the latest MIFluFocus report . For the latest information on the outbreak, see the MDCH Influenza Page or the Lab's Novel Influenza page.

MDCH 2009 Influenza A H1 Report Interpretation Table - updated 10/13/2009

2009-2010 Influenza Season Report

MDCH Laboratory Data

The data shown here are the results obtained by the MDCH Virology Laboratory from specimens for targeted public health testing plus surveillance testing through the Michigan Sentinel Physician and Sentinel Laboratory Programs. The Sentinel Physician Program consists of medical provider sites from a variety of geographic locations throughout Michigan enrolled in the sentinel surveillance program. These providers represent private practice for adult and pediatric patients, as well as urgent and emergency care facilities, nursing homes and university health services. Michigan is now conducting routine influenza surveillance year round. Thus, MDCH requests submission of two to three specimens for influenza A and B viral culture four times during the year: early influenza season, when influenza virus is beginning to circulate; middle season, during the peak of influenza activity; late season, as influenza activity diminishes; and in the summer months. Participation in this program is voluntary.

The influenza season runs from October through the end of September each year.

Time	Inf. B	Novel A, H1	Seasonal A, H1	Seasonal A, H3	Adeno	Para	RSV
Oct 4 - Oct 10	0	17	0	0	0	0	0
Oct 11 - Oct 17	0	0	0	0	0	0	0
Oct 18 - Oct 24	0	0	0	0	0	0	0
Oct 25 - Oct 31	0	0	0	0	0	0	0
Month of October 2009	0	0	0	0	0	0	0

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2009-2010 Northern Hemisphere Seasonal Influenza Vaccine Components

A/Brisbane/59/2007 (H1N1) - like virus
A/Brisbane/10/2007 (H3N2) - like virus
B/Brisbane/60/2008 - like virus

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Influenza Resources

MiFluFocus - A weekly influenza surveillence report that comes out Thursdays each week.
www.michigan.gov/flu- A State of Michigan web site dedicated to influenza (flu).
www.michigan.gov/prepare- A State of Michigan web site dedicated to emergency preparedness.
www.pandemicflu.gov- The National Influenza Preparedness web site.
Laboratory Biosafety Guidelines- These biosafety guidelines have been developed for Michigan laboratories handling and processing specimens associated with influenza.
MDCH 2009-2010 Guidelines for Clinicians on Influenza Testing (8/14/09)
CDC Guidelines for Follow-up of Contacts of Persons with Suspected Avian Influenza (H5N1). - updated 11/25/2008
CDC Guidelines for Lab Testing of Persons with Suspected Avian Influenza (H5N1). - updated 11/25/2008
To expedite receipt of laboratory results, we urge all submitters to register for fax transmittal of reports. Fax agencies receive their reports the day testing is completed. This is especially important for those submitting specimens for H5 PCR testing. Non-fax agencies receive reports via the U.S. Post Office. This method will delay your report by several days. Registration information.