What is the flu? -- Do people in the U.S. get the flu? -- How does the flu spread? -- How do you know if you have the flu? -- How sick do people get with the flu? -- How long can a person with the flu spread the virus to other people? -- What can I do to protect myself from getting sick? -- Everyday health habits to protect your health and the health of others -- If I have a family member at home who is sick with the flu, should I go to work? -- What is the best way to wash my hands to avoid germs? -- If you or someone you know gets sick and shows any of the following warning signs, get EMERGENCY medical care: in children, in infants, in adults -- Are there medicines to treat the flu?

Stephen B. Thacker CDC Library collection