In Tetanus Tetanus is a serious bacterial infection that affects the nervous system and causes muscles throughout the body to become stiff and tighten. Quadrovax SD Vaccine helps prevent tetanus infection. It helps the immune system to produce antibodies to fight against tetanus infection. However, it does not provide lifelong protection. A booster shot is recommended to be given after few years. It is advisable to consult your doctor for complete information regarding vaccination schedules. In Diphtheria Diphtheria is a bacterial infection that causes pain and swelling in the throat. This might cause difficulty in breathing. It might also damage the heart, kidneys and nerves. Quadrovax SD Vaccine gives protection against diphtheria. It is advisable to consult your doctor for complete information regarding vaccination schedules. In Pertussis Pertussis (often called whooping cough) is an infection of the airways that can occur at any age but mostly affects infants and young children. The infection causes uncontrollable coughing that can make it difficult to breathe. Quadrovax SD Vaccine gives protection from pertussis. It is advisable to consult your doctor for complete information regarding vaccination schedules. In Haemophilus influenzae Type b disease Haemophilus Influenzae type b infection can cause serious illness, especially in children, some of which are meningitis (infection of brain meninges), pneumonia etc. It is spread mainly through contact with infected droplets (coughing or sneezing) or secretions from an infected person's nose and throat. Quadrovax SD Vaccine gives protection against this infection. It helps the immune system to produce antibodies to fight against the disease.