Flu season appears to be in full swing across US

(NEWSCHANNEL 3) - The Centers for Disease Control and the Michigan Department of Community Health are offering a news alert Friday night, as it appears flu season is now in full swing.

This year's infecting virus is the H1N1 strain that emerged in 2009.

In some states, the virus is producing severe respiratory illness, mostly with young and middle-aged adults.

Several states are dealing with a high number of cases, including some deaths.

Here in Michigan, estimated flu activity has been upgraded from local to regional activity.

That's due to a recent rise in cases in soutwhestern and central Michigan.

Victor Blackwell has a closer look at how other states are faring.