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.
The holiday weekend is looking warmer and unsettled. Shower and thunderstorm chances increase late Sunday and Labor Day.
Temperatures will warm headed into Labor Day. Saturday is the pick day of the holiday weekend with dry conditions and highs in the low 80s.
It turns hot and humid by Sunday with sct. shower and thunderstorm chances increasing N&W anytime after 2/3PM. It should remain dry down the shore all day Saturday and most if not all of Sunday.
Saturday (82/62): Sun/Clouds
Sunday (89/70): Clouds/Storm
Monday (90/74): Clouds/Storm