Td Vaccine: Tetanus and Adult Diphtheria Immunisation and Key Facts

Category: Science & Technology / Health

  • Td vaccine protects against tetanus and diphtheria.

  • Tetanus is caused by Clostridium tetani.

  • Diphtheria is caused by toxin-producing Corynebacterium diphtheriae.

  • Td is an adult formulation containing reduced diphtheria antigen compared with childhood formulations.

  • Booster doses help maintain protection against these diseases.

  • Tetanus is particularly associated with contaminated wounds, while diphtheria can spread through respiratory droplets.

  • Vaccination remains an important component of preventive public health.

UPSC Focus: Vaccines, bacterial diseases, toxoids, immunisation.