HOW TO KEEP YOUR BODY HEALTHY
General health principles:
Get adequate sleep and exercise, eat healthy, stay hydrated
Wash hands with soap and water
Stay at home if you have a
fever 
Consider getting an annual flu shot
Practice cough/sneeze etiquette (Sneeze in your Sleeve?)
http://www.coughsafe.com/media.html
Preparing for a crisis/disaster
Before the crisis
Store a supply of water and food.
Have health supplies and medicines on hand.
Practice good health habits that limit the spread of germs.
Know the facts
Identify sources you can count on for reliable information.