Hospital employees involved in patient care are at increased risk both of acquiring and of transmitting certain infections. Vaccines recommended for such workers include

Correct Answer: D

Rationale: Rubella vaccine is recommended for healthcare workers to prevent transmission. BCG, typhoid, and pneumococcal vaccines are not routinely required unless specific risks apply.

Correct Answer: D

Rationale: Isoniazid prevents TB in high-risk groups with positive tests or exposure, but atypical mycobacterial infections require different treatments, as they’re resistant to isoniazid.

Correct Answer: D

Rationale: Atypical mycobacteria can cross-react with PPD, causing false positives. Routine yearly testing isn’t recommended, positive tests often warrant treatment, and adults are more contagious.

Correct Answer: A

Rationale: Pasteurization prevents brucellosis transmission via dairy from infected animals, the primary route.

Correct Answer: D

Rationale: Neonates with HSV-2 cutaneous disease need antiviral therapy due to dissemination risk, making (D) true. Most infections are asymptomatic, transmission is perinatal, and HSV isn’t an early AIDS sign.