Final answer:
The infection rate is highest for laboratory professionals exposed to blood and body fluids containing hepatitis B virus (HBV). Health-care workers should take appropriate precautions to prevent infection.
Step-by-step explanation:
The infection rate is highest for laboratory professionals exposed to blood and body fluids containing hepatitis B virus (HBV).
Health-care workers, including laboratory professionals, are at risk of acquiring HBV through occupational exposure to infected blood and body fluids.
It is important for health-care workers to take appropriate precautions, such as wearing gloves and face protection, using disposable syringes and needles, and practicing proper disinfection and sterilization protocols, to reduce the risk of infection.