Definition
The DPT vaccine is a combined vaccine that protects against three serious infectious diseases in humans: diphtheria, pertussis (whooping cough), and tetanus. It's typically administered to infants and children in a series of shots. Diphtheria affects the throat and nose, pertussis causes severe coughing fits, and tetanus affects the nervous system. The vaccine works by stimulating the body's immune system to produce antibodies against these diseases. Getting vaccinated is like building a fortress to protect against these nasty invaders. It is a crucial part of preventative healthcare.