Is the chance of transmitting hepatitis B through sexual contact high?

Jul 15, 2025 Source: Cainiu Health

Dr. Gao Jun

Introduction

In general, hepatitis B refers to hepatitis B viral infection. The probability of transmission of hepatitis B virus (HBV) through sexual contact is relatively high. During sexual activity, the correct and consistent use of condoms is one of the important measures for preventing sexually transmitted diseases, including hepatitis B. Condoms can effectively reduce contact with bodily fluids and lower the risk of HBV transmission.

Generally speaking, hepatitis B refers to hepatitis B viral infection. The probability of transmission of hepatitis B virus through sexual contact is relatively high. The specific analysis is as follows:

During sexual activity, the hepatitis B virus can be transmitted through semen, vaginal secretions, and other bodily fluids. If the uninfected partner has any mucosal damage in the genital area, even minor injuries, the hepatitis B virus may enter the body and cause infection. Moreover, the hepatitis B virus has a certain ability to survive in the external environment, thereby increasing the chance of transmission during sexual contact. Engaging in unprotected sex with someone infected with hepatitis B virus carries a relatively high risk of contracting hepatitis B viral infection. If the infected partner has a high viral load, the likelihood of transmission increases further.

During sexual activity, correctly and consistently using a condom can help prevent sexually transmitted infections, including hepatitis B. Condoms can effectively reduce contact with bodily fluids and lower the risk of hepatitis B virus transmission. It is also important to maintain good personal hygiene habits in daily life, such as washing hands frequently, and avoiding sharing personal items like razors or toothbrushes with others.

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