The correct answer is (d) Polio.
Salk’s vaccine is a vaccine developed by Jonas Salk for immunization against poliomyelitis. It was the first successful polio vaccine. The vaccine was introduced in the United States in 1955 after extensive clinical trials. It was a major medical breakthrough, and its introduction marked the beginning of the end of the global polio epidemic.
Poliomyelitis is a viral disease that can cause paralysis. It is caused by a virus that attacks the nervous system. The virus is spread through contact with infected feces. There is no cure for polio, but it can be prevented with a vaccine.
The other options are incorrect because they are not diseases that can be prevented with a vaccine.
(a) Smallpox is a viral disease that can cause a severe rash and fever. It is a very contagious disease, and it can be fatal. There is no cure for smallpox, but it was eradicated in 1980 through vaccination.
(b) Tetanus is a bacterial disease that can cause muscle stiffness and lockjaw. It is a very serious disease, and it can be fatal. There is a vaccine for tetanus, and it is recommended that everyone get vaccinated.
(c) Tuberculosis is a bacterial disease that can affect the lungs. It is a very serious disease, and it can be fatal. There is a vaccine for tuberculosis, but it is not very effective. It is recommended that everyone get vaccinated against tuberculosis if they are at high risk of infection.