Question

1. why is it difficult to develop a vaccine for viruses
2. Who approved the vaccine developed
3. Differentiate between antibiotics and vaccine ​

Answer 1

Answer:

1) because viruses use very less mechanism of our body.

Explanation:

3)vaccines are doses which are given to fight against an infectious disease.whereas antibiotics are made by both viruses and humans white blood cells

Answer 2

Vaccines are doses which are given to fight against an infectious disease. whereas antibiotics are made by both viruses and humans white blood cells.

Hope it will help you.......