The Penn. Department of Health has listed the state's flu activity as "widespread."
There was an increase in reported cases of the flu in all regions of the state. Last week the Department reported 3,158 cases of influenza, and this week the number has jumped to 4,256. That's in increase of 1,098 cases in just seven days' time.
The Penn. Department of Health listed Lancaster as the worst-hit county with 511 cases, followed by York (350) and Dauphin (290).
Other counties' records include Cumberland (201), Franklin (167), Lebanon (116) and Adams (102). Perry County rounds out the list with only 27 cases.