A newly hired dental assistant requires the following vaccinations EXCEPT one. Which vaccine is NOT routinely required for dental healthcare workers in the United States?

The BCG (Bacille Calmette-Guerin) vaccine for tuberculosis is not routinely administered in the United States for healthcare workers. Instead, TB screening in the U.S. is performed using the tuberculin skin test (TST) or interferon-gamma release assay (IGRA), not vaccination. The BCG vaccine is used in countries with high TB prevalence. In contrast, OSHA and CDC guidelines require or strongly recommend that dental healthcare workers receive: Hepatitis B vaccine series, Tdap (tetanus, diphtheria, pertussis), annual influenza vaccine, MMR, and varicella vaccines. Tuberculosis control in U.S. dental settings focuses on infection control protocols, not vaccination.