In the early 1950s there were four vaccines routinely used in the United States: diphtheria, tetanus, pertussis, and smallpox. Three of these vaccines (diphtheria, tetanus, and pertussis) were ...

Urethral damage occurs primarily in men because the catheter may interfere with drainage of seminal secretions. Urethral catheterization in men is associated with epididymitis, orchitis, scrotal ...