Influenza is a contagious respiratory illness caused by flu viruses. It can cause mild to severe illness, and at times can lead to death. The flu is different from a cold. The flu usually comes on suddenly and may include any of the following, collectively known as “flu-like symptoms”:
If possible, stay home from work, school, and errands when you are sick. You will help prevent others from catching your illness. Keep the following suggestions in mind: