Question

(a) Vaccination is an important way to build immunity in body. Justify.
(b) Write two methods of administering vaccines in humans.​

Answer 1

Answer:

In other words, a vaccine is a safer substitute for a child's first exposure to a disease. The child gets protection without having to get sick. Through vaccination, children can develop immunity without suffering from the actual diseases that vaccines prevent.

Answer 2

$\huge {\boxed{\mathfrak\purple{\fcolorbox{blue}{orange}{ANSWER}}}}$

A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. ... By injecting these antigens into the body, the immune system can safely learn to recognize them as hostile invaders, produce antibodies, and remember them for the future