A CD4⁺ TNF⁺ Monofunctional Memory T Cell Response to BCG Vaccination Is Associated with Mycobacterium tuberculosis Infection in Infants Exposed to HIV

Scientists evaluated CD4+ T cell responses in infants exposed to HIV and uninfected who received Bacille Calmette-Guérin (BCG) at birth and examined their role in susceptibility to Mycobacterium tuberculosis infection and influence on tuberculin skin test induration.