Health officials

a disease spread through one living thing to another or through the environment

• Communicable disease

• Pathogen

• Immune

• Immune system

an organism that causes disease

• Infection

• Pathogen

• Vaccine

• Virus

a condition that occurs when pathogens enter the body, multiply

and damage body cells

• Vector

• Vaccine

• Virus

• Infection

pieces of genetic material surrounded by a protein coat

• Pathogen

• Virus

• Toxin

• Vector

single-celled organisms that live almost everywhere on earth.

• Toxin

• Immune

• Bacteria

• Virus

a substance that kills cells or interferes with their functions

• Toxin

• Vaccine

• Immune system

• Immune

most bacterial diseases can be treated with antibiotics

• Pathogen

• Infection

• Antibiotics

• Bacteria

an organism that carries and transmits pathogens to humans or other animals

• Pathogen

• Immune

• Antibiotics

• Vector

network of cells, tissues, organs and chemicals that fight off pathogens

• Pathogen

• Infection

• Immune system

• Immune

the state of being protected against a particular disease

• Virus

• Pathogen

• Immune

• Vaccine