Hepatitis B can be found in which of the following body fluids?

Hepatitis B virus (HBV) can be present in several body fluids, making it important to understand the modes of transmission for effective infection control. Blood is the most well-known reservoir for HBV, and it can be transmitted through direct exposure to infected blood. Additionally, Hepatitis B can also be found in saliva, though this is less common and typically requires significant exposure to be a transmission risk. Furthermore, semen and vaginal secretions are also potential routes for HBV transmission, particularly in sexual contact.

Recognizing that HBV can be present in all these bodily fluids is crucial for healthcare professionals. It guides the implementation of appropriate safety measures, such as the use of personal protective equipment and guidelines for exposure control to prevent the spread of the virus. Thus, understanding the presence of HBV in various body fluids reinforces the necessity for comprehensive infection control practices within dental and medical settings.