Use of vaccines and immunisation programmes have controlled which of the following infectious diseases ?
A. Polio and tetanus
B. Diphtheria and pheumonia
C. Cancer and AIDS
D. Both (a) and (b)
Answer:D
Use of vaccines and immunisation programmes have controlled which of the following infectious diseases ?
A. Polio and tetanus B. Diphtheria and pheumonia C. Cancer and AIDS D. Both (a) and (b)