Question

a vaccine is usually given (a)at any time (b) at the time disease causing germs enter the body (c)before the symptoms of the disease appear (d) after the disease has appeared

Answer 1

Vaccine must be is given before the attack of a disease.

For instance there is no particular time as to when a vaccine needs to be taken.

Generally, every an individual is given vaccine at the time after of birth.

Mostly, all important vaccines are given.

But sometimes, during the later years, the person might may develop reduction in immunization develop low immunity against a particular disease and hence, can choose to take a vaccine before the disease gets harmful affects the whole body.

Answer 2

where vaccine is given