Nearly 1 in 3 people getting tested for the flu are hearing back from their health care provider that it’s positive.

Nearly 8% of all outpatient clinic visits are being linked to people seeking treatment for what health officials call “flu-like illness,” meaning having the symptoms of fever and coughing or a sore throat, according to the latest CDC flu data from the last week of January. That may be the highest rate since the 2009-2010 flu season, although CDC officials acknowledge it’s a complicated comparison.

It seemed like the flu was on the retreat a month ago. Flu-like illness clinic visits had appeared to peak the week of Christmas, and then declined the first two weeks of January. But then they began climbing again, and it’s unclear so far where things may top out. Head over to WebMD to read the full story.