contagious – adj. having a sickness that can be passed to someone else by touching

immune – adj. not capable of being affected by a disease

exposure – n. the fact or condition of being subject to some effect or influence

mucus – n. a thick liquid that is produced in some parts of the body (such as the nose and throat)

cough – v. to force air through your throat with a short, loud noise often because you are sick

sneeze – v. to suddenly force air out through your nose and mouth with a usually loud noise because your body is reacting to dust, a sickness, etc.

rash – n. a group of red spots on the skin that is caused by an illness or a reaction to something

outbreak – n. a sudden start or increase of fighting or disease

anti-vaxxer - a person who opposes vaccinations or laws that mandate vaccination