GRAND RAPIDS, Mich. (WOOD) - It's officially flu season in Michigan, though it's too early to tell exactly what strain of flu will be going around this winter.
The Michigan Department of Community Health said two people are known to have been hospitalized.
Five cases of the flu was found in Huron County, four in Oakland County, and one each in Berrien, Saginaw and Washtenaw counties.
The confirmations involved both influenza A and influena B, but the MDCH said it's not clear which flu will circulate or how severe the season might be.
The number of flu cases is classified as "sporadic," the lowest of the classifications from the Center for Disease Control. Generally, peak flu season is late January through February.
The flu vaccine for the 2012-13 season will protect against influenza A (H1N1) 2009 virus, influenza A (H3N2) virus, and influenza B virus -- the viruses already confirmed in Michigan.
Authorities recommend a flu vaccine.
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