Up to 7 million Americans have caught the flu this season, with around 70,000-80,000 hospitalized, the CDC revealed.
Influence of the season, confirm that this year's strain (H1N1), while serious, is nowhere near as threatening as last year's (H3N2), which killed 80,000 people.
Just 19 states and New York are reporting high viral activity – compared to 46 states this time last year.
Experts say the flu shot is much more effective at this year, so they will be as soon as possible.
This year, 90 percent of flu cases tested by the CDC are H1N1, the same strain that caused the swine flu epidemic in 2009. Rates are high in 19 states and New York City
As of January 5, 6.2 to 7.3 million people have been sick with flu. Between 2.9 to 3.5 million people have been to the doctor because of flu, and 69,300 to 83,500 people have been hospitalized with flu.
The latest estimates show at least 13 children have died. The CDC does not update data on adult deaths.
This year, 90 percent of flu cases tested by the CDC are H1N1, the same strain that caused the swine flu epidemic in 2009.
It is a much, much milder strain than the H3N2 which killed more than 80,000 Americans last season.
Ten percent of people have been diagnosed with H3N2.
Rates between December and March, and although this year is nowhere near the end of the year, there is no fail-safe way of protecting yourself.
The CDC continues to recommend flu vaccination as the best way to reduce the risk of flu and its potentially serious complications, including death in children.
If you develop flu-like symptoms, stay home for at least 24 hours. If it persists and your fever worsens, seek medical help.
People who are very sick or who are at high risk of serious flu.
Stay in bed, wash your hands regularly, do not touch your face, stay hydrated, and get good sleep.
But as rates rise, hospitals are clamped down to prevent spreads on their wards.
They can not be sure that they are flowing in through their doors and they are particularly stressed relatives whose loved ones are sick.
New Jersey, North Carolina, and Indiana are just a few of the states.
Some hospitals, including Arizona and Rhode Island, will make visitors wear masks.
They are fighting in the first place, 'Jennifer Burrows, chief nursing officer at Providence St Vincent Medical Center, told KPTV.