Question

6.
provides a disease specific means of prevention.
a). Antibiotics
b). Vaccines
c). Both a and b
d). None​

Answer 1

Answer:

Many such vaccines are now available for preventing a whole range of infectious diseases, and provide a disease-specific means of prevention. There are vaccines against tetanus, diphtheria, whooping cough, measles, polio and many others.

Answer 2

Answer:

b vaccines is answer for this question