Children age 4 and younger have the third highest risk of problems with seasonal flu.

Illness from seasonal flu usually lasts one to two weeks.

How is it different from the seasonal flu that people experience every year?

Sure, most people who get the seasonal flu recover just fine.

Resistance to Oseltamivir has been low in seasonal flu from 2009-2012.

People with asthma are also at risk from seasonal flu, she notes, so they should get that shot now.

For seniors, the seasonal flu can be very serious, even deadly.

In a typical year, 5 to 20 percent of the population gets the seasonal flu.

Each year thousands of children and adults (over 35,000) die just from seasonal flu.

But he pointed out that the seasonal flu was also dangerous.