Find out more about steps you must take to prevent flu complications.

But pregnancy can increase your risk for flu complications.

Older adults have a higher risk of flu complications.

This is particularly important for people at high risk for serious flu complications and their close contacts.

Everyone, but particularly those at risk of serious flu complications (see below), should get the vaccine.

Who is at greatest risk for serious flu complications?

Nationwide, more than 200,000 people a year are hospitalized because of flu complications.

A 32-year-old woman has died following swine flu "complications" two weeks after giving birth to a son.

Yes, pneumonia is a common and very serious flu complication.

That should do it for any serious flu complications.