Influenza Testing & Surveillance
Bureau of Laboratories
Routine Seasonal Influenza Resources
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Pandemic and Avian Influenza
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Laboratory Biosafety Guidelines- These biosafety guidelines have been developed for Michigan laboratories handling and processing specimens associated with influenza.
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MDCH Bureau of Laboratories (BOL)
Influenza A Test Algorithm- This test algorithm covers seasonal influenza testing, suspect avian influenza testing, and pandemic influenza testing. It will be updated as the situation requires.
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The MDCH lab has the capacity to perform Influenza A, Influenza B, A H1, A H3, A H5 PCR as a part of our Pandemic Influenza
response. At WHO Pandemic Influenza Level 3 or Level 4 with no confirmed cases in Michigan, this
testing requires pre-approval through our Bureau of Epidemiology. (517-335-8165 or 517-335-9030, after
hours). Specific information on this testing.
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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.
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2007-2008 Influenza Season Report
Influenza Surveillance Report - Note: this report comes out on Thursday each week.
There are 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 data shown here are the results obtained by the MDCH Viral Isolation Unit from specimens submitted by participating sentinel surveillance sites. The influenza season runs from October 1 through September 30 each year.
To locate your Health Region, see the county listing at the end of this page.
Data as of September 4, 2008
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Health Region
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Inf. B
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Inf. A, unsubtypable#
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Inf. A, subtype pending
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Inf. A, H1N1
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Inf. A, H3N2
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Adeno
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Para 1
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Para 2
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Para 3
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RSV |
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Southeast
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25*/2^
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2
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0
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2
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49
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0
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0
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0
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0
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1
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Southwest
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9*
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0
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0
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0
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52
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0
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0
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2
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0
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3
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Central
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6*
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0
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0
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0
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57
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1
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3
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2
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1
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3
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Northern
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10*
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0
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0
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2
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32
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2
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0
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0
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1
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4
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* B/Shanghai/361/2002-like
^ B/Malaysia/1506/2004-like
# Unable to produce quantities of virus to perform subtyping.
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2007-2008 Northern Hemisphere Influenza Vaccine Components
A/Solomon Islands/3/2006 (H1N1) - like virus
A/Wisconsin/67/2005 (H3N2) - like virus
B/Malaysia/2506/2004 - like virus
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Past Influenza Season Data
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CDC Confirms Case of Swine Influenza A, H1N2 in a Michigan Resident
In September 2007, a positive rapid influenza A test from August 2007 was confirmed at the MDCH Bureau of Laboratories as an influenza A (H1N2) virus. Recent testing by the Centers for Disease Control and Prevention (CDC) has confirmed the strain as A(H1N2); in addition, the strain was determined to be of swine origin. The case was a 16-month-old from the Central Influenza Surveillance region who developed moderate flu-like symptoms and subsequently recovered with no complications. A comprehensive follow-up investigation by MDCH, CDC and the local health department is currently underway. No additional cases have been identified at this time, and this case is believed to be an isolated event with the most probable exposure route being contact with infected swine. This case highlights the value of increased off-season influenza surveillance to detect circulating human and novel influenza viruses.
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Listings of Counties and Their Respective Health Regions
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Rev. 9/5/2008
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