Who is least likely to have an occupational exposure to bloodborne pathogens?

Bank tellers are least likely to have an occupational exposure to bloodborne pathogens because their work primarily involves handling cash and customer transactions, rather than direct patient care or exposure to human biological materials. While they may occasionally deal with situations that involve blood or bodily fluids, such as when handling money that could be contaminated, the frequency and nature of such exposures are far less compared to roles like healthcare workers, laboratory technicians, or even construction workers who might be at risk due to injuries or accidents on the job. The environments that healthcare workers and laboratory technicians operate in involve direct handling of blood and other potentially infectious materials regularly, which significantly increases their chances of exposure to bloodborne pathogens. Similarly, construction workers may face risks from cuts, injuries, or accidents that could introduce exposure to blood. Thus, considering the nature of occupational tasks, bank tellers present the lowest risk in this context.