The DT vaccine protects against diphtheria and tetanus.
Here's a breakdown:
- Diphtheria: Diphtheria is a serious bacterial infection that affects the mucous membranes of the nose and throat.
- Tetanus: Tetanus is a bacterial infection of the central nervous system.
According to provided references, DT vaccines protect against only diphtheria and tetanus, while DTaP vaccines (Daptacel®, Quadracel® and Vaxelis®) protect against diphtheria, tetanus, and pertussis (whooping cough).