Question

I need new and unique answers, please. (Use your own words, don't copy and paste), Please Use your keyboard (Don't use handwriting) Thank you..

1. What is a vaccine? Summarize how vaccines work. (Use your own words, don't copy and paste)

2. Which disease still need an effective vaccine? What makes you think so? (Use your own words, don't copy and paste)

Answer 1

Answer: Vaccines are the substance which provide protection against most of the diseases. These vaccine works by enhancing the immune system of our body. The specific molecules that are taken from pathogens are introduced to the body which improves the immune response. These are known as antigen.

Communicable disease need an effective vaccine because these are those disease which can harm the other people with low immunity. Vaccination should be given mostly for the diseases which can be easily transmit from one person to other.