Unprotected sexual contact with an infected person
Sharing needles or syringes
Exposure to infected blood through cuts, open wounds, or mucous membranes
Sharing personal items contaminated with blood, such as razors or toothbrushes
From an infected mother to her baby during childbirth
Needlestick injuries in healthcare settings
Receiving contaminated medical or dental equipment if not properly sterilized
Sharing drug-injection equipment or other items that may have blood on them
Contact with infected blood through tattooing or piercing with unsterile equipment
Household contact with infected blood or body fluids containing blood