Which of the following is a major component of the Vaccine for Tetanus ?
AKilled germs
BNeutralised germs
CNeutralised toxins
DActive germs
Answer:
C. Neutralised toxins
Read Explanation:
Tetanus Vaccine Components
- The vaccine for tetanus primarily contains toxoids.
- Tetanus toxoid is an inactivated form of the toxin produced by the bacterium Clostridium tetani.
- This inactivation process is achieved by treating the toxin with chemicals like formaldehyde, which modifies the toxin's structure, rendering it harmless while still allowing the immune system to recognize it.
- These toxoids act as antigens, stimulating the body's immune system to produce antibodies against the actual tetanus toxin.
- When exposed to the actual tetanus toxin later, the body can neutralize it quickly, thus preventing the disease.
- The vaccine is often combined with other vaccines, such as diphtheria toxoid and acellular pertussis vaccine (DTaP) or tetanus and diphtheria toxoids (Td).
- The development of toxoid vaccines was a significant advancement in immunology, allowing for effective prevention of diseases caused by bacterial toxins.