Read 180 Contagion

Spread from person to person

• contagious

• immune system

• vaccine

• protect

Because my cold was still _______________, I had to stay home from school.

A disease that spreads rapidly to many people.

• immunize

• epidemic

• scientist

• immune system

to make resistant to an infectious disease

• epidemic

• contagious

• immunize

• disease

parts of your body that work together to fight disease

• epidemic

• symptom

• infect

• immune system

to make someone sick

• infect

• immune system

• symptom

• vaccine

to keep a person safe from harm or illness

• infect

• protect

• contagious

• disease

One way to ________________ others from your germs is to wear a mask.

something wrong with your body that shows you are sick

• infect

• immunize

• symptom

• contagious

a substance used to keep people from getting a disease

• infect

• symptom

• contagious

• vaccine