How many flu cases are per year?

5-20% of U.S. residents get the flu each year

There are more and more flu cases each year.  Did you know that 5-20% of U.S. residents get the flu each year?  There are so many flu complications: bacterial pneumonia, ear or sinus infections, dehydration and worsening of chronic health conditions.  Did you know that most healthy adults can infect others one day before symptoms develop and five to seven days after symptoms appear?  Specialists consider that the best protection against seasonal flu is the flu vaccine.  Some persons are more likely to have complications: children, seniors and the persons with chronic health problems.