U.S. Health Officials say the only thing predictable about the flu is its unpredictability.
Every year, up to 20 percent of Americans come down with the flu. That leads to 200,000 hospitalizations a year, with 20,000 of those hospitalizations being children under the age of 5.
Fox News Medical A Team's Dr. Manny Alvarez says no one is immune to the flu.
"September usually is the season of the flu season and perfect time to get your flu shot in time. So yeah, this is when the reminder begins."
This year's vaccine contains the same strains as last year's, plus two new ones.
More than 170 million doses are expected to be available.
The typical flu season runs from the fall through early spring.
Overnight look for passing clouds and a few flurries. Bundle up and watch for icy patches on roads and sidewalks. Lows in the upper teens and low 20s.
The cold stays with us for a few more days with highs around freezing.
Looks like another storm system moving in to start the weekend. This one will likely bring a mix of snow, sleet, and rain. Stay tuned.