Question

Doctors sometimes use a vaccine to help prepare the body to defend itself against future infections. These vaccines most often contain

Answer 1

The answer is dead or weakened virus

Answer 2

Answer: weakened pathogens

Step-by-step explanation:

Each vaccine contains a small amount of the disease germ (virus or bacteria) or parts of the germ.

A pathogen is a bacterium, virus, or other microorganism that can cause disease.