HOW STUFF WORKS
QUIZZES

FOLLOW US
The Ultimate Flu Quiz
by Staff
Every year, like clockwork, the flu invades home and workplace. The flu is not just an unwelcome visitor, but is more serious than you may think. Take this quiz and learn how the flu can ruin your plans during the winter months.

What percentage of the American population gets the flu every year?

  • 5 to 20 percent
  • 15 to 30 percent
  • 20 to 40 percent

How many people die from the flu worldwide each year?

  • 100,000 to 200,000 people
  • 250,000 to 500,000 people
  • 500,000 to 1,000,000 people

What is the flu?

  • a respiratory illness
  • a gastrointestinal illness
  • an autoimmune illness

How does influenza spread in the body?

  • The virus releases its genetic information into cells.
  • The virus replicates and takes over the function of cells.
  • both of the above

What happens to respiratory tissue that is attacked by the influenza virus?

  • It becomes inflamed.
  • It releases puss and liquid.
  • It shrinks and deteriorates.

What are typical flu symptoms?

  • fever, body aches and tiredness
  • coughing, sneezing and runny nose
  • both of the above

How does influenza become life threatening?

  • The flu can lead to stroke and brain damage.
  • The flu weakens the immune system.
  • The flu can lead to heart failure.

What are serious complications of the flu?

  • bacterial pneumonia and dehydration
  • sinus problems and ear infections
  • both of the above

The “stomach flu” refers to:

  • a gastrointestinal flu
  • a new version of the traditional flu virus
  • a virus that is not the flu

In North America, which months are the most active flu months?

  • December and January
  • January and February
  • February and March

What percentage of families with school-aged children are affected by the flu each year?

  • 15 percent
  • 30 percent
  • 45 percent

How far can flu infected droplets from sneezing or coughing travel?

  • up to six inches
  • up to one foot
  • up to three feet

How quickly will you feel symptoms of the flu after being contaminated?

  • within 24 hours
  • one to two days
  • one to four days

When is a person contagious and able to spread the influenza virus?

  • one day before symptoms appear and for seven days later
  • once symptoms appear and for seven days later
  • one day after symptoms appear and for seven days later

A pandemic involves:

  • a virus spreading to two countries
  • a virus spreading to up to five countries
  • a virus spreading worldwide

Who is at greater risk of getting the flu?

  • pregnant women
  • children under two
  • both of the above

What medication can treat the flu?

  • antiviral drugs
  • antibiotics
  • over-the-counter flu medication

How can you catch the flu?

  • from direct contact
  • from indirect contact
  • both of the above

You first experience symptoms of the flu when the virus:

  • enters the respiratory tract
  • enters the bloodstream
  • infects the sinuses

What are the different strains of influenza?

  • strain A, B and C
  • strain 1, 2 and 3
  • strain I, II and III