What is the primary mode of transmission for Hepatitis B?

Hepatitis B is primarily transmitted through blood and other bodily fluids, making it a blood-borne virus. This mode of transmission can occur through various means, such as sharing needles, unprotected sexual contact with an infected person, or from mother to child during childbirth. Understanding that Hepatitis B is a blood-borne infection is crucial for implementing effective prevention strategies, including the promotion of safe sex practices, needle exchange programs, and vaccination. The other transmission routes indicated in the choices do not accurately apply to Hepatitis B, emphasizing the specific significance of the blood-borne pathway in the context of this infection.