High risk • Direct contact with blood or body fluids from a person showing symptoms of Ebola while not wearing personal protective equipment (PPE). • Living with and caring for a person showing symptoms of Ebola. • Direct contact with a dead body while in a country with a large Ebola outbreak or a small outbreak that may be hard to control without wearing PPE. • Direct contact with blood or body fluids from a person showing symptoms of Ebola through splashes to eyes, nose, or mouth, through a break in the skin, or through a needle stick. • Processing blood or body fluids from a person showing symptoms of Ebola without wearing PPE or undertaking standard biosafety precautions. Some risk • Close contact (within 3 feet) for a long time with a person showing symptoms of Ebola while not wearing PPE. • Direct contact while in a country with a large Ebola outbreak or a small outbreak that may be hard to control with a person showing symptoms of Ebola while wearing appropriate PPE. Low risk • Having been in a country with a large Ebola outbreak or a small outbreak that may be hard to control within the past 21 days with no known exposures. • Brief direct contact, such as shaking hands, with a person who has Ebola while not wearing PPE. • Being in the same room for a short amount of time with a person showing symptoms of Ebola. • Direct contact with a person showing symptoms of Ebola in a country without a large Ebola outbreak or a small outbreak that may be hard to control while wearing appropriate PPE. • Having traveled on an airplane with a person showing symptoms of Ebola. No risk • Contact with a person with Ebola before their symptoms began. • Having left a country with a large Ebola outbreak or small outbreak that may be hard to control more than 21 days ago. • Having been in a country without a large Ebola outbreak or small outbreak that may be hard to control. • Contact with a healthy person who had contact with someone showing symptoms of Ebola. cdc.gov/ebola December 16, 2014 CS252940

Stephen B. Thacker CDC Library collection