Final answer:
A laboratory worker potentially exposed to infectious materials may request a Hepatitis B vaccine, which is the necessary vaccination to prevent infection from HBV.
Step-by-step explanation:
A laboratory worker exposed to potentially infectious materials on the job may request a vaccine for the blood borne disease Hepatitis B. This is because Hepatitis B (HBV) can be transmitted through contact with infectious blood or body fluids such as semen or saliva. Health-care agencies are mandated to offer the HBV vaccine to all workers who may encounter occupational exposure to blood and/or other infectious materials. Therefore, it is crucial to follow stringent protocols and utilize personal protective equipment (PPE) to minimize the risk of transmission in health-care settings. Despite the availability of vaccinations, it is essential to maintain preventive practices to safeguard health-care workers against the contraction of HBV.