Flu activity continues to climb in US with at least 15 million cases: CDC - abcnews.go.com

Flu activity continues to climb in US with at least 15 million cases: CDC  abcnews.go.comCDC says flu activity probably has not peaked amid record-breaking season  CNNOhio's bad flu season to get worse as 'super flu' spreads, state warns  The Columbus DispatchFlu activity spikes in Pennsylvania, New Jersey and Delaware as new variant threatens a longer season  WHYY42 states have 'high' or 'very high' levels of flu activity  KCCI