People often say they have 1) [?] flu when all they have is 2) [?] cold and 3) [?] slight temperature.

4) [?] full name of flu is 5) [?] influenza.

6) [?] Real flu is caused by 7) [?] virus.

There are many different kinds of 8) [?] flu viruses.

They give you 9) [?] high temeperature, 10) [?] aching muscles and 11) [?] headache.

They also give you 12) [?] cold shivers and 13) [?] feeling of tiredness.

You may also get 14) [?] cough.

There is no treatment as 15) [?] antibiotics cannot kill 16) [?] viruses.

You should go to 17) [?] bed and rest.

If you go to 18) [?] school and mix with others, you will spread 19) [?] virus to them, so it is better to stay at 20) [?] home until you feel better.